Finding the Third Proportional to 357,622 and 744,339.50

Step by Step Solution

1. Step 1: Write the proportion equation
   357,622 : 744,339.50 = 744,339.50 : x
2. Step 2: Convert to fraction form
   357,622/744,339.50 = 744,339.50/x
3. Step 3: Cross multiply
   357,622x = 744,339.50 × 744,339.50
4. Step 4: Simplify right side
   357,622x = 554,041,291,260.25
5. Step 5: Solve for x
   x = 554,041,291,260.25/357,622
6. Step 6: Final answer
   x = 1,549,237.16