Finding the Third Proportional to 455,601 and 724,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   455,601 : 724,090.50 = 724,090.50 : x
2. Step 2: Convert to fraction form
   455,601/724,090.50 = 724,090.50/x
3. Step 3: Cross multiply
   455,601x = 724,090.50 × 724,090.50
4. Step 4: Simplify right side
   455,601x = 524,307,052,190.25
5. Step 5: Solve for x
   x = 524,307,052,190.25/455,601
6. Step 6: Final answer
   x = 1,150,803.12