Finding the Third Proportional to 60,666.47 and 91,848.30

Step by Step Solution

1. Step 1: Write the proportion equation
   60,666.47 : 91,848.30 = 91,848.30 : x
2. Step 2: Convert to fraction form
   60,666.47/91,848.30 = 91,848.30/x
3. Step 3: Cross multiply
   60,666.47x = 91,848.30 × 91,848.30
4. Step 4: Simplify right side
   60,666.47x = 8,436,111,073.97
5. Step 5: Solve for x
   x = 8,436,111,073.97/60,666.47
6. Step 6: Final answer
   x = 139,057.23