Finding the Third Proportional to 4,984,480,838 and 10,636,108,780

Step by Step Solution

1. Step 1: Write the proportion equation
   4,984,480,838 : 10,636,108,780 = 10,636,108,780 : x
2. Step 2: Convert to fraction form
   4,984,480,838/10,636,108,780 = 10,636,108,780/x
3. Step 3: Cross multiply
   4,984,480,838x = 10,636,108,780 × 10,636,108,780
4. Step 4: Simplify right side
   4,984,480,838x = 113,126,809,979,993,096,192
5. Step 5: Solve for x
   x = 113,126,809,979,993,096,192/4,984,480,838
6. Step 6: Final answer
   x = 22,695,805,973.92