Finding the Third Proportional to 358,749 and 754,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   358,749 : 754,672.50 = 754,672.50 : x
2. Step 2: Convert to fraction form
   358,749/754,672.50 = 754,672.50/x
3. Step 3: Cross multiply
   358,749x = 754,672.50 × 754,672.50
4. Step 4: Simplify right side
   358,749x = 569,530,582,256.25
5. Step 5: Solve for x
   x = 569,530,582,256.25/358,749
6. Step 6: Final answer
   x = 1,587,546.12