Finding the Third Proportional to 32,490 and 71,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,490 : 71,185.50 = 71,185.50 : x
2. Step 2: Convert to fraction form
   32,490/71,185.50 = 71,185.50/x
3. Step 3: Cross multiply
   32,490x = 71,185.50 × 71,185.50
4. Step 4: Simplify right side
   32,490x = 5,067,375,410.25
5. Step 5: Solve for x
   x = 5,067,375,410.25/32,490
6. Step 6: Final answer
   x = 155,967.23