Finding the Third Proportional to 577,632 and 1,288,077

Step by Step Solution

1. Step 1: Write the proportion equation
   577,632 : 1,288,077 = 1,288,077 : x
2. Step 2: Convert to fraction form
   577,632/1,288,077 = 1,288,077/x
3. Step 3: Cross multiply
   577,632x = 1,288,077 × 1,288,077
4. Step 4: Simplify right side
   577,632x = 1,659,142,357,929
5. Step 5: Solve for x
   x = 1,659,142,357,929/577,632
6. Step 6: Final answer
   x = 2,872,317.25