Finding the Third Proportional to 490,460.06 and 748,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   490,460.06 : 748,399.50 = 748,399.50 : x
2. Step 2: Convert to fraction form
   490,460.06/748,399.50 = 748,399.50/x
3. Step 3: Cross multiply
   490,460.06x = 748,399.50 × 748,399.50
4. Step 4: Simplify right side
   490,460.06x = 560,101,811,600.25
5. Step 5: Solve for x
   x = 560,101,811,600.25/490,460.06
6. Step 6: Final answer
   x = 1,141,992.70