Finding the Third Proportional to 245,229 and 329,548.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,229 : 329,548.50 = 329,548.50 : x
2. Step 2: Convert to fraction form
   245,229/329,548.50 = 329,548.50/x
3. Step 3: Cross multiply
   245,229x = 329,548.50 × 329,548.50
4. Step 4: Simplify right side
   245,229x = 108,602,213,852.25
5. Step 5: Solve for x
   x = 108,602,213,852.25/245,229
6. Step 6: Final answer
   x = 442,860.40