Finding the Third Proportional to 392,462.72 and 847,659.94

Step by Step Solution

1. Step 1: Write the proportion equation
   392,462.72 : 847,659.94 = 847,659.94 : x
2. Step 2: Convert to fraction form
   392,462.72/847,659.94 = 847,659.94/x
3. Step 3: Cross multiply
   392,462.72x = 847,659.94 × 847,659.94
4. Step 4: Simplify right side
   392,462.72x = 718,527,369,642.50
5. Step 5: Solve for x
   x = 718,527,369,642.50/392,462.72
6. Step 6: Final answer
   x = 1,830,816.88