Finding the Third Proportional to 42,836,411.25 and 65,258,996.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,836,411.25 : 65,258,996.63 = 65,258,996.63 : x
2. Step 2: Convert to fraction form
   42,836,411.25/65,258,996.63 = 65,258,996.63/x
3. Step 3: Cross multiply
   42,836,411.25x = 65,258,996.63 × 65,258,996.63
4. Step 4: Simplify right side
   42,836,411.25x = 4,258,736,640,501,761.50
5. Step 5: Solve for x
   x = 4,258,736,640,501,761.50/42,836,411.25
6. Step 6: Final answer
   x = 99,418,614.12