Finding the Third Proportional to 353,150 and 766,502

Step by Step Solution

1. Step 1: Write the proportion equation
   353,150 : 766,502 = 766,502 : x
2. Step 2: Convert to fraction form
   353,150/766,502 = 766,502/x
3. Step 3: Cross multiply
   353,150x = 766,502 × 766,502
4. Step 4: Simplify right side
   353,150x = 587,525,316,004
5. Step 5: Solve for x
   x = 587,525,316,004/353,150
6. Step 6: Final answer
   x = 1,663,670.72