Finding the Third Proportional to 70,712 and 152,492

Step by Step Solution

1. Step 1: Write the proportion equation
   70,712 : 152,492 = 152,492 : x
2. Step 2: Convert to fraction form
   70,712/152,492 = 152,492/x
3. Step 3: Cross multiply
   70,712x = 152,492 × 152,492
4. Step 4: Simplify right side
   70,712x = 23,253,810,064
5. Step 5: Solve for x
   x = 23,253,810,064/70,712
6. Step 6: Final answer
   x = 328,852.39