Finding the Third Proportional to 491,112 and 738,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   491,112 : 738,490.50 = 738,490.50 : x
2. Step 2: Convert to fraction form
   491,112/738,490.50 = 738,490.50/x
3. Step 3: Cross multiply
   491,112x = 738,490.50 × 738,490.50
4. Step 4: Simplify right side
   491,112x = 545,368,218,590.25
5. Step 5: Solve for x
   x = 545,368,218,590.25/491,112
6. Step 6: Final answer
   x = 1,110,476.26