Finding the Third Proportional to 70,830 and 152,589

Step by Step Solution

1. Step 1: Write the proportion equation
   70,830 : 152,589 = 152,589 : x
2. Step 2: Convert to fraction form
   70,830/152,589 = 152,589/x
3. Step 3: Cross multiply
   70,830x = 152,589 × 152,589
4. Step 4: Simplify right side
   70,830x = 23,283,402,921
5. Step 5: Solve for x
   x = 23,283,402,921/70,830
6. Step 6: Final answer
   x = 328,722.33