Finding the Third Proportional to 164,866.50 and 353,061

Step by Step Solution

1. Step 1: Write the proportion equation
   164,866.50 : 353,061 = 353,061 : x
2. Step 2: Convert to fraction form
   164,866.50/353,061 = 353,061/x
3. Step 3: Cross multiply
   164,866.50x = 353,061 × 353,061
4. Step 4: Simplify right side
   164,866.50x = 124,652,069,721
5. Step 5: Solve for x
   x = 124,652,069,721/164,866.50
6. Step 6: Final answer
   x = 756,078.83