Finding the Third Proportional to 9,139,547,200.50 and 19,901,633,379

Step by Step Solution

1. Step 1: Write the proportion equation
   9,139,547,200.50 : 19,901,633,379 = 19,901,633,379 : x
2. Step 2: Convert to fraction form
   9,139,547,200.50/19,901,633,379 = 19,901,633,379/x
3. Step 3: Cross multiply
   9,139,547,200.50x = 19,901,633,379 × 19,901,633,379
4. Step 4: Simplify right side
   9,139,547,200.50x = 396,075,011,152,126,935,040
5. Step 5: Solve for x
   x = 396,075,011,152,126,935,040/9,139,547,200.50
6. Step 6: Final answer
   x = 43,336,393,200.14