Finding the Third Proportional to 4,984,480,840 and 10,636,108,784

Step by Step Solution

1. Step 1: Write the proportion equation
   4,984,480,840 : 10,636,108,784 = 10,636,108,784 : x
2. Step 2: Convert to fraction form
   4,984,480,840/10,636,108,784 = 10,636,108,784/x
3. Step 3: Cross multiply
   4,984,480,840x = 10,636,108,784 × 10,636,108,784
4. Step 4: Simplify right side
   4,984,480,840x = 113,126,810,065,081,958,400
5. Step 5: Solve for x
   x = 113,126,810,065,081,958,400/4,984,480,840
6. Step 6: Final answer
   x = 22,695,805,981.89