Finding the Third Proportional to 455,772 and 707,550

Step by Step Solution

1. Step 1: Write the proportion equation
   455,772 : 707,550 = 707,550 : x
2. Step 2: Convert to fraction form
   455,772/707,550 = 707,550/x
3. Step 3: Cross multiply
   455,772x = 707,550 × 707,550
4. Step 4: Simplify right side
   455,772x = 500,627,002,500
5. Step 5: Solve for x
   x = 500,627,002,500/455,772
6. Step 6: Final answer
   x = 1,098,415.44