Finding the Third Proportional to 248,473 and 331,045.50

Step by Step Solution

1. Step 1: Write the proportion equation
   248,473 : 331,045.50 = 331,045.50 : x
2. Step 2: Convert to fraction form
   248,473/331,045.50 = 331,045.50/x
3. Step 3: Cross multiply
   248,473x = 331,045.50 × 331,045.50
4. Step 4: Simplify right side
   248,473x = 109,591,123,070.25
5. Step 5: Solve for x
   x = 109,591,123,070.25/248,473
6. Step 6: Final answer
   x = 441,058.48