Finding the Third Proportional to 72,905 and 148,402

Step by Step Solution

1. Step 1: Write the proportion equation
   72,905 : 148,402 = 148,402 : x
2. Step 2: Convert to fraction form
   72,905/148,402 = 148,402/x
3. Step 3: Cross multiply
   72,905x = 148,402 × 148,402
4. Step 4: Simplify right side
   72,905x = 22,023,153,604
5. Step 5: Solve for x
   x = 22,023,153,604/72,905
6. Step 6: Final answer
   x = 302,080.15