Finding the Third Proportional to 31,174.88 and 64,567.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,174.88 : 64,567.13 = 64,567.13 : x
2. Step 2: Convert to fraction form
   31,174.88/64,567.13 = 64,567.13/x
3. Step 3: Cross multiply
   31,174.88x = 64,567.13 × 64,567.13
4. Step 4: Simplify right side
   31,174.88x = 4,168,913,630.77
5. Step 5: Solve for x
   x = 4,168,913,630.77/31,174.88
6. Step 6: Final answer
   x = 133,726.72