Finding the Third Proportional to 147,945.75 and 209,340

Step by Step Solution

1. Step 1: Write the proportion equation
   147,945.75 : 209,340 = 209,340 : x
2. Step 2: Convert to fraction form
   147,945.75/209,340 = 209,340/x
3. Step 3: Cross multiply
   147,945.75x = 209,340 × 209,340
4. Step 4: Simplify right side
   147,945.75x = 43,823,235,600
5. Step 5: Solve for x
   x = 43,823,235,600/147,945.75
6. Step 6: Final answer
   x = 296,211.52