Finding the Third Proportional to 341,779.50 and 548,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   341,779.50 : 548,086.50 = 548,086.50 : x
2. Step 2: Convert to fraction form
   341,779.50/548,086.50 = 548,086.50/x
3. Step 3: Cross multiply
   341,779.50x = 548,086.50 × 548,086.50
4. Step 4: Simplify right side
   341,779.50x = 300,398,811,482.25
5. Step 5: Solve for x
   x = 300,398,811,482.25/341,779.50
6. Step 6: Final answer
   x = 878,925.77