Finding the Third Proportional to 53,222 and 88,700

Step by Step Solution

1. Step 1: Write the proportion equation
   53,222 : 88,700 = 88,700 : x
2. Step 2: Convert to fraction form
   53,222/88,700 = 88,700/x
3. Step 3: Cross multiply
   53,222x = 88,700 × 88,700
4. Step 4: Simplify right side
   53,222x = 7,867,690,000
5. Step 5: Solve for x
   x = 7,867,690,000/53,222
6. Step 6: Final answer
   x = 147,827.78