Finding the Third Proportional to 31,860 and 69,552

Step by Step Solution

1. Step 1: Write the proportion equation
   31,860 : 69,552 = 69,552 : x
2. Step 2: Convert to fraction form
   31,860/69,552 = 69,552/x
3. Step 3: Cross multiply
   31,860x = 69,552 × 69,552
4. Step 4: Simplify right side
   31,860x = 4,837,480,704
5. Step 5: Solve for x
   x = 4,837,480,704/31,860
6. Step 6: Final answer
   x = 151,835.55