Finding the Third Proportional to 455,763 and 707,536.50

Step by Step Solution

1. Step 1: Write the proportion equation
   455,763 : 707,536.50 = 707,536.50 : x
2. Step 2: Convert to fraction form
   455,763/707,536.50 = 707,536.50/x
3. Step 3: Cross multiply
   455,763x = 707,536.50 × 707,536.50
4. Step 4: Simplify right side
   455,763x = 500,607,898,832.25
5. Step 5: Solve for x
   x = 500,607,898,832.25/455,763
6. Step 6: Final answer
   x = 1,098,395.22