Finding the Third Proportional to 31,522.50 and 68,877

Step by Step Solution

1. Step 1: Write the proportion equation
   31,522.50 : 68,877 = 68,877 : x
2. Step 2: Convert to fraction form
   31,522.50/68,877 = 68,877/x
3. Step 3: Cross multiply
   31,522.50x = 68,877 × 68,877
4. Step 4: Simplify right side
   31,522.50x = 4,744,041,129
5. Step 5: Solve for x
   x = 4,744,041,129/31,522.50
6. Step 6: Final answer
   x = 150,496.98