Finding the Third Proportional to 72,314 and 148,151

Step by Step Solution

1. Step 1: Write the proportion equation
   72,314 : 148,151 = 148,151 : x
2. Step 2: Convert to fraction form
   72,314/148,151 = 148,151/x
3. Step 3: Cross multiply
   72,314x = 148,151 × 148,151
4. Step 4: Simplify right side
   72,314x = 21,948,718,801
5. Step 5: Solve for x
   x = 21,948,718,801/72,314
6. Step 6: Final answer
   x = 303,519.63