Finding the Third Proportional to 490,080 and 1,055,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   490,080 : 1,055,287.50 = 1,055,287.50 : x
2. Step 2: Convert to fraction form
   490,080/1,055,287.50 = 1,055,287.50/x
3. Step 3: Cross multiply
   490,080x = 1,055,287.50 × 1,055,287.50
4. Step 4: Simplify right side
   490,080x = 1,113,631,707,656.25
5. Step 5: Solve for x
   x = 1,113,631,707,656.25/490,080
6. Step 6: Final answer
   x = 2,272,346.78