Finding the Third Proportional to 519,159 and 759,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   519,159 : 759,028.50 = 759,028.50 : x
2. Step 2: Convert to fraction form
   519,159/759,028.50 = 759,028.50/x
3. Step 3: Cross multiply
   519,159x = 759,028.50 × 759,028.50
4. Step 4: Simplify right side
   519,159x = 576,124,263,812.25
5. Step 5: Solve for x
   x = 576,124,263,812.25/519,159
6. Step 6: Final answer
   x = 1,109,726.05