Finding the Third Proportional to 491,116 and 738,501.50

Step by Step Solution

1. Step 1: Write the proportion equation
   491,116 : 738,501.50 = 738,501.50 : x
2. Step 2: Convert to fraction form
   491,116/738,501.50 = 738,501.50/x
3. Step 3: Cross multiply
   491,116x = 738,501.50 × 738,501.50
4. Step 4: Simplify right side
   491,116x = 545,384,465,502.25
5. Step 5: Solve for x
   x = 545,384,465,502.25/491,116
6. Step 6: Final answer
   x = 1,110,500.30