Finding the Third Proportional to 361,108.13 and 558,846

Step by Step Solution

1. Step 1: Write the proportion equation
   361,108.13 : 558,846 = 558,846 : x
2. Step 2: Convert to fraction form
   361,108.13/558,846 = 558,846/x
3. Step 3: Cross multiply
   361,108.13x = 558,846 × 558,846
4. Step 4: Simplify right side
   361,108.13x = 312,308,851,716
5. Step 5: Solve for x
   x = 312,308,851,716/361,108.13
6. Step 6: Final answer
   x = 864,862.43