Finding the Third Proportional to 154,428.75 and 338,382

Step by Step Solution

1. Step 1: Write the proportion equation
   154,428.75 : 338,382 = 338,382 : x
2. Step 2: Convert to fraction form
   154,428.75/338,382 = 338,382/x
3. Step 3: Cross multiply
   154,428.75x = 338,382 × 338,382
4. Step 4: Simplify right side
   154,428.75x = 114,502,377,924
5. Step 5: Solve for x
   x = 114,502,377,924/154,428.75
6. Step 6: Final answer
   x = 741,457.65