Finding the Third Proportional to 35,658.50 and 55,215.75

Step by Step Solution

1. Step 1: Write the proportion equation
   35,658.50 : 55,215.75 = 55,215.75 : x
2. Step 2: Convert to fraction form
   35,658.50/55,215.75 = 55,215.75/x
3. Step 3: Cross multiply
   35,658.50x = 55,215.75 × 55,215.75
4. Step 4: Simplify right side
   35,658.50x = 3,048,779,048.06
5. Step 5: Solve for x
   x = 3,048,779,048.06/35,658.50
6. Step 6: Final answer
   x = 85,499.36