Finding the Third Proportional to 52,320.94 and 81,217.69

Step by Step Solution

1. Step 1: Write the proportion equation
   52,320.94 : 81,217.69 = 81,217.69 : x
2. Step 2: Convert to fraction form
   52,320.94/81,217.69 = 81,217.69/x
3. Step 3: Cross multiply
   52,320.94x = 81,217.69 × 81,217.69
4. Step 4: Simplify right side
   52,320.94x = 6,596,312,762.85
5. Step 5: Solve for x
   x = 6,596,312,762.85/52,320.94
6. Step 6: Final answer
   x = 126,074.06