Finding the Third Proportional to 31,675.50 and 69,291

Step by Step Solution

1. Step 1: Write the proportion equation
   31,675.50 : 69,291 = 69,291 : x
2. Step 2: Convert to fraction form
   31,675.50/69,291 = 69,291/x
3. Step 3: Cross multiply
   31,675.50x = 69,291 × 69,291
4. Step 4: Simplify right side
   31,675.50x = 4,801,242,681
5. Step 5: Solve for x
   x = 4,801,242,681/31,675.50
6. Step 6: Final answer
   x = 151,575.91