Finding the Third Proportional to 357,718 and 758,082.50

Step by Step Solution

1. Step 1: Write the proportion equation
   357,718 : 758,082.50 = 758,082.50 : x
2. Step 2: Convert to fraction form
   357,718/758,082.50 = 758,082.50/x
3. Step 3: Cross multiply
   357,718x = 758,082.50 × 758,082.50
4. Step 4: Simplify right side
   357,718x = 574,689,076,806.25
5. Step 5: Solve for x
   x = 574,689,076,806.25/357,718
6. Step 6: Final answer
   x = 1,606,542.24