Finding the Third Proportional to 553,704 and 791,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   553,704 : 791,791.50 = 791,791.50 : x
2. Step 2: Convert to fraction form
   553,704/791,791.50 = 791,791.50/x
3. Step 3: Cross multiply
   553,704x = 791,791.50 × 791,791.50
4. Step 4: Simplify right side
   553,704x = 626,933,779,472.25
5. Step 5: Solve for x
   x = 626,933,779,472.25/553,704
6. Step 6: Final answer
   x = 1,132,254.38