Finding the Third Proportional to 32,431.50 and 66,471.75

Step by Step Solution

1. Step 1: Write the proportion equation
   32,431.50 : 66,471.75 = 66,471.75 : x
2. Step 2: Convert to fraction form
   32,431.50/66,471.75 = 66,471.75/x
3. Step 3: Cross multiply
   32,431.50x = 66,471.75 × 66,471.75
4. Step 4: Simplify right side
   32,431.50x = 4,418,493,548.06
5. Step 5: Solve for x
   x = 4,418,493,548.06/32,431.50
6. Step 6: Final answer
   x = 136,240.80