Finding the Third Proportional to 5,051,163,848,389 and 10,370,104,607,510

Step by Step Solution

1. Step 1: Write the proportion equation
   5,051,163,848,389 : 10,370,104,607,510 = 10,370,104,607,510 : x
2. Step 2: Convert to fraction form
   5,051,163,848,389/10,370,104,607,510 = 10,370,104,607,510/x
3. Step 3: Cross multiply
   5,051,163,848,389x = 10,370,104,607,510 × 10,370,104,607,510
4. Step 4: Simplify right side
   5,051,163,848,389x = 107,539,069,570,700,126,816,567,296
5. Step 5: Solve for x
   x = 107,539,069,570,700,126,816,567,296/5,051,163,848,389
6. Step 6: Final answer
   x = 21,289,958,670,613.75