Finding the Third Proportional to 491,114.81 and 738,499.78

Step by Step Solution

1. Step 1: Write the proportion equation
   491,114.81 : 738,499.78 = 738,499.78 : x
2. Step 2: Convert to fraction form
   491,114.81/738,499.78 = 738,499.78/x
3. Step 3: Cross multiply
   491,114.81x = 738,499.78 × 738,499.78
4. Step 4: Simplify right side
   491,114.81x = 545,381,926,906.30
5. Step 5: Solve for x
   x = 545,381,926,906.30/491,114.81
6. Step 6: Final answer
   x = 1,110,497.82