Finding the Third Proportional to 5,422,448,989.50 and 8,379,066,386.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,422,448,989.50 : 8,379,066,386.25 = 8,379,066,386.25 : x
2. Step 2: Convert to fraction form
   5,422,448,989.50/8,379,066,386.25 = 8,379,066,386.25/x
3. Step 3: Cross multiply
   5,422,448,989.50x = 8,379,066,386.25 × 8,379,066,386.25
4. Step 4: Simplify right side
   5,422,448,989.50x = 70,208,753,505,184,636,928
5. Step 5: Solve for x
   x = 70,208,753,505,184,636,928/5,422,448,989.50
6. Step 6: Final answer
   x = 12,947,794,186.93