Finding the Third Proportional to 207,629.50 and 296,908

Step by Step Solution

1. Step 1: Write the proportion equation
   207,629.50 : 296,908 = 296,908 : x
2. Step 2: Convert to fraction form
   207,629.50/296,908 = 296,908/x
3. Step 3: Cross multiply
   207,629.50x = 296,908 × 296,908
4. Step 4: Simplify right side
   207,629.50x = 88,154,360,464
5. Step 5: Solve for x
   x = 88,154,360,464/207,629.50
6. Step 6: Final answer
   x = 424,575.32