Finding the Third Proportional to 492,079.50 and 738,118.50

Step by Step Solution

1. Step 1: Write the proportion equation
   492,079.50 : 738,118.50 = 738,118.50 : x
2. Step 2: Convert to fraction form
   492,079.50/738,118.50 = 738,118.50/x
3. Step 3: Cross multiply
   492,079.50x = 738,118.50 × 738,118.50
4. Step 4: Simplify right side
   492,079.50x = 544,818,920,042.25
5. Step 5: Solve for x
   x = 544,818,920,042.25/492,079.50
6. Step 6: Final answer
   x = 1,107,176.63