Finding the Third Proportional to 491,445 and 740,630.25

Step by Step Solution

1. Step 1: Write the proportion equation
   491,445 : 740,630.25 = 740,630.25 : x
2. Step 2: Convert to fraction form
   491,445/740,630.25 = 740,630.25/x
3. Step 3: Cross multiply
   491,445x = 740,630.25 × 740,630.25
4. Step 4: Simplify right side
   491,445x = 548,533,167,215.06
5. Step 5: Solve for x
   x = 548,533,167,215.06/491,445
6. Step 6: Final answer
   x = 1,116,163.90