Finding the Third Proportional to 252,942 and 338,335.50

Step by Step Solution

1. Step 1: Write the proportion equation
   252,942 : 338,335.50 = 338,335.50 : x
2. Step 2: Convert to fraction form
   252,942/338,335.50 = 338,335.50/x
3. Step 3: Cross multiply
   252,942x = 338,335.50 × 338,335.50
4. Step 4: Simplify right side
   252,942x = 114,470,910,560.25
5. Step 5: Solve for x
   x = 114,470,910,560.25/252,942
6. Step 6: Final answer
   x = 452,557.94