Finding the Third Proportional to 98,720 and 152,878

Step by Step Solution

1. Step 1: Write the proportion equation
   98,720 : 152,878 = 152,878 : x
2. Step 2: Convert to fraction form
   98,720/152,878 = 152,878/x
3. Step 3: Cross multiply
   98,720x = 152,878 × 152,878
4. Step 4: Simplify right side
   98,720x = 23,371,682,884
5. Step 5: Solve for x
   x = 23,371,682,884/98,720
6. Step 6: Final answer
   x = 236,747.19