Finding the Third Proportional to 71,394 and 148,404

Step by Step Solution

1. Step 1: Write the proportion equation
   71,394 : 148,404 = 148,404 : x
2. Step 2: Convert to fraction form
   71,394/148,404 = 148,404/x
3. Step 3: Cross multiply
   71,394x = 148,404 × 148,404
4. Step 4: Simplify right side
   71,394x = 22,023,747,216
5. Step 5: Solve for x
   x = 22,023,747,216/71,394
6. Step 6: Final answer
   x = 308,481.77