Finding the Third Proportional to 353,541 and 763,102.50

Step by Step Solution

1. Step 1: Write the proportion equation
   353,541 : 763,102.50 = 763,102.50 : x
2. Step 2: Convert to fraction form
   353,541/763,102.50 = 763,102.50/x
3. Step 3: Cross multiply
   353,541x = 763,102.50 × 763,102.50
4. Step 4: Simplify right side
   353,541x = 582,325,425,506.25
5. Step 5: Solve for x
   x = 582,325,425,506.25/353,541
6. Step 6: Final answer
   x = 1,647,122.75