Finding the Third Proportional to 518,902.88 and 1,139,965.88

Step by Step Solution

1. Step 1: Write the proportion equation
   518,902.88 : 1,139,965.88 = 1,139,965.88 : x
2. Step 2: Convert to fraction form
   518,902.88/1,139,965.88 = 1,139,965.88/x
3. Step 3: Cross multiply
   518,902.88x = 1,139,965.88 × 1,139,965.88
4. Step 4: Simplify right side
   518,902.88x = 1,299,522,196,164.52
5. Step 5: Solve for x
   x = 1,299,522,196,164.52/518,902.88
6. Step 6: Final answer
   x = 2,504,365.00