Finding the Third Proportional to 42,844,640 and 65,270,875

Step by Step Solution

1. Step 1: Write the proportion equation
   42,844,640 : 65,270,875 = 65,270,875 : x
2. Step 2: Convert to fraction form
   42,844,640/65,270,875 = 65,270,875/x
3. Step 3: Cross multiply
   42,844,640x = 65,270,875 × 65,270,875
4. Step 4: Simplify right side
   42,844,640x = 4,260,287,123,265,625
5. Step 5: Solve for x
   x = 4,260,287,123,265,625/42,844,640
6. Step 6: Final answer
   x = 99,435,708.25