Finding the Third Proportional to 490,593 and 738,319.50

Step by Step Solution

1. Step 1: Write the proportion equation
   490,593 : 738,319.50 = 738,319.50 : x
2. Step 2: Convert to fraction form
   490,593/738,319.50 = 738,319.50/x
3. Step 3: Cross multiply
   490,593x = 738,319.50 × 738,319.50
4. Step 4: Simplify right side
   490,593x = 545,115,684,080.25
5. Step 5: Solve for x
   x = 545,115,684,080.25/490,593
6. Step 6: Final answer
   x = 1,111,136.29