Finding the Third Proportional to 455,613.75 and 724,111.88

Step by Step Solution

1. Step 1: Write the proportion equation
   455,613.75 : 724,111.88 = 724,111.88 : x
2. Step 2: Convert to fraction form
   455,613.75/724,111.88 = 724,111.88/x
3. Step 3: Cross multiply
   455,613.75x = 724,111.88 × 724,111.88
4. Step 4: Simplify right side
   455,613.75x = 524,338,007,516.02
5. Step 5: Solve for x
   x = 524,338,007,516.02/455,613.75
6. Step 6: Final answer
   x = 1,150,838.86