Finding the Third Proportional to 65,213.50 and 87,350.75

Step by Step Solution

1. Step 1: Write the proportion equation
   65,213.50 : 87,350.75 = 87,350.75 : x
2. Step 2: Convert to fraction form
   65,213.50/87,350.75 = 87,350.75/x
3. Step 3: Cross multiply
   65,213.50x = 87,350.75 × 87,350.75
4. Step 4: Simplify right side
   65,213.50x = 7,630,153,525.56
5. Step 5: Solve for x
   x = 7,630,153,525.56/65,213.50
6. Step 6: Final answer
   x = 117,002.67