Finding the Third Proportional to 124,659 and 296,338.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,659 : 296,338.50 = 296,338.50 : x
2. Step 2: Convert to fraction form
   124,659/296,338.50 = 296,338.50/x
3. Step 3: Cross multiply
   124,659x = 296,338.50 × 296,338.50
4. Step 4: Simplify right side
   124,659x = 87,816,506,582.25
5. Step 5: Solve for x
   x = 87,816,506,582.25/124,659
6. Step 6: Final answer
   x = 704,453.80