Finding the Third Proportional to 73,440 and 152,712

Step by Step Solution

1. Step 1: Write the proportion equation
   73,440 : 152,712 = 152,712 : x
2. Step 2: Convert to fraction form
   73,440/152,712 = 152,712/x
3. Step 3: Cross multiply
   73,440x = 152,712 × 152,712
4. Step 4: Simplify right side
   73,440x = 23,320,954,944
5. Step 5: Solve for x
   x = 23,320,954,944/73,440
6. Step 6: Final answer
   x = 317,551.13