Finding the Third Proportional to 359,055.28 and 546,043.78

Step by Step Solution

1. Step 1: Write the proportion equation
   359,055.28 : 546,043.78 = 546,043.78 : x
2. Step 2: Convert to fraction form
   359,055.28/546,043.78 = 546,043.78/x
3. Step 3: Cross multiply
   359,055.28x = 546,043.78 × 546,043.78
4. Step 4: Simplify right side
   359,055.28x = 298,163,811,041.80
5. Step 5: Solve for x
   x = 298,163,811,041.80/359,055.28
6. Step 6: Final answer
   x = 830,411.99