Finding the Third Proportional to 278,892.50 and 574,291

Step by Step Solution

1. Step 1: Write the proportion equation
   278,892.50 : 574,291 = 574,291 : x
2. Step 2: Convert to fraction form
   278,892.50/574,291 = 574,291/x
3. Step 3: Cross multiply
   278,892.50x = 574,291 × 574,291
4. Step 4: Simplify right side
   278,892.50x = 329,810,152,681
5. Step 5: Solve for x
   x = 329,810,152,681/278,892.50
6. Step 6: Final answer
   x = 1,182,570.89