Finding the Third Proportional to 353,151 and 766,504.50

Step by Step Solution

1. Step 1: Write the proportion equation
   353,151 : 766,504.50 = 766,504.50 : x
2. Step 2: Convert to fraction form
   353,151/766,504.50 = 766,504.50/x
3. Step 3: Cross multiply
   353,151x = 766,504.50 × 766,504.50
4. Step 4: Simplify right side
   353,151x = 587,529,148,520.25
5. Step 5: Solve for x
   x = 587,529,148,520.25/353,151
6. Step 6: Final answer
   x = 1,663,676.86