Finding the Third Proportional to 5,072,530,480 and 10,287,688,988

Step by Step Solution

1. Step 1: Write the proportion equation
   5,072,530,480 : 10,287,688,988 = 10,287,688,988 : x
2. Step 2: Convert to fraction form
   5,072,530,480/10,287,688,988 = 10,287,688,988/x
3. Step 3: Cross multiply
   5,072,530,480x = 10,287,688,988 × 10,287,688,988
4. Step 4: Simplify right side
   5,072,530,480x = 105,836,544,713,816,457,216
5. Step 5: Solve for x
   x = 105,836,544,713,816,457,216/5,072,530,480
6. Step 6: Final answer
   x = 20,864,644,407.98