Finding the Third Proportional to 31,041.98 and 67,485.66

Step by Step Solution

1. Step 1: Write the proportion equation
   31,041.98 : 67,485.66 = 67,485.66 : x
2. Step 2: Convert to fraction form
   31,041.98/67,485.66 = 67,485.66/x
3. Step 3: Cross multiply
   31,041.98x = 67,485.66 × 67,485.66
4. Step 4: Simplify right side
   31,041.98x = 4,554,313,799.49
5. Step 5: Solve for x
   x = 4,554,313,799.49/31,041.98
6. Step 6: Final answer
   x = 146,714.65