Finding the Third Proportional to 52,647.19 and 85,957.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,647.19 : 85,957.88 = 85,957.88 : x
2. Step 2: Convert to fraction form
   52,647.19/85,957.88 = 85,957.88/x
3. Step 3: Cross multiply
   52,647.19x = 85,957.88 × 85,957.88
4. Step 4: Simplify right side
   52,647.19x = 7,388,756,274.52
5. Step 5: Solve for x
   x = 7,388,756,274.52/52,647.19
6. Step 6: Final answer
   x = 140,344.75