Finding the Third Proportional to 42,766.31 and 61,603.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,766.31 : 61,603.31 = 61,603.31 : x
2. Step 2: Convert to fraction form
   42,766.31/61,603.31 = 61,603.31/x
3. Step 3: Cross multiply
   42,766.31x = 61,603.31 × 61,603.31
4. Step 4: Simplify right side
   42,766.31x = 3,794,968,110.97
5. Step 5: Solve for x
   x = 3,794,968,110.97/42,766.31
6. Step 6: Final answer
   x = 88,737.32