Finding the Third Proportional to 60,616 and 81,538

Step by Step Solution

1. Step 1: Write the proportion equation
   60,616 : 81,538 = 81,538 : x
2. Step 2: Convert to fraction form
   60,616/81,538 = 81,538/x
3. Step 3: Cross multiply
   60,616x = 81,538 × 81,538
4. Step 4: Simplify right side
   60,616x = 6,648,445,444
5. Step 5: Solve for x
   x = 6,648,445,444/60,616
6. Step 6: Final answer
   x = 109,681.36