Finding the Third Proportional to 31,810.50 and 47,700

Step by Step Solution

1. Step 1: Write the proportion equation
   31,810.50 : 47,700 = 47,700 : x
2. Step 2: Convert to fraction form
   31,810.50/47,700 = 47,700/x
3. Step 3: Cross multiply
   31,810.50x = 47,700 × 47,700
4. Step 4: Simplify right side
   31,810.50x = 2,275,290,000
5. Step 5: Solve for x
   x = 2,275,290,000/31,810.50
6. Step 6: Final answer
   x = 71,526.38