Finding the Third Proportional to 42,686.55 and 62,472.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,686.55 : 62,472.86 = 62,472.86 : x
2. Step 2: Convert to fraction form
   42,686.55/62,472.86 = 62,472.86/x
3. Step 3: Cross multiply
   42,686.55x = 62,472.86 × 62,472.86
4. Step 4: Simplify right side
   42,686.55x = 3,902,858,448.28
5. Step 5: Solve for x
   x = 3,902,858,448.28/42,686.55
6. Step 6: Final answer
   x = 91,430.65