Finding the Third Proportional to 245,018.67 and 371,221.42

Step by Step Solution

1. Step 1: Write the proportion equation
   245,018.67 : 371,221.42 = 371,221.42 : x
2. Step 2: Convert to fraction form
   245,018.67/371,221.42 = 371,221.42/x
3. Step 3: Cross multiply
   245,018.67x = 371,221.42 × 371,221.42
4. Step 4: Simplify right side
   245,018.67x = 137,805,341,158.73
5. Step 5: Solve for x
   x = 137,805,341,158.73/245,018.67
6. Step 6: Final answer
   x = 562,427.92