Finding the Third Proportional to 2,651,460,120.38 and 3,988,260,025.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651,460,120.38 : 3,988,260,025.31 = 3,988,260,025.31 : x
2. Step 2: Convert to fraction form
   2,651,460,120.38/3,988,260,025.31 = 3,988,260,025.31/x
3. Step 3: Cross multiply
   2,651,460,120.38x = 3,988,260,025.31 × 3,988,260,025.31
4. Step 4: Simplify right side
   2,651,460,120.38x = 15,906,218,029,505,662,976
5. Step 5: Solve for x
   x = 15,906,218,029,505,662,976/2,651,460,120.38
6. Step 6: Final answer
   x = 5,999,041,021.69