Finding the Third Proportional to 56,992 and 88,472

Step by Step Solution

1. Step 1: Write the proportion equation
   56,992 : 88,472 = 88,472 : x
2. Step 2: Convert to fraction form
   56,992/88,472 = 88,472/x
3. Step 3: Cross multiply
   56,992x = 88,472 × 88,472
4. Step 4: Simplify right side
   56,992x = 7,827,294,784
5. Step 5: Solve for x
   x = 7,827,294,784/56,992
6. Step 6: Final answer
   x = 137,340.24