Finding the Third Proportional to 245,080.69 and 539,824.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,080.69 : 539,824.50 = 539,824.50 : x
2. Step 2: Convert to fraction form
   245,080.69/539,824.50 = 539,824.50/x
3. Step 3: Cross multiply
   245,080.69x = 539,824.50 × 539,824.50
4. Step 4: Simplify right side
   245,080.69x = 291,410,490,800.25
5. Step 5: Solve for x
   x = 291,410,490,800.25/245,080.69
6. Step 6: Final answer
   x = 1,189,038.98