Finding the Third Proportional to 70,272 and 98,856

Step by Step Solution

1. Step 1: Write the proportion equation
   70,272 : 98,856 = 98,856 : x
2. Step 2: Convert to fraction form
   70,272/98,856 = 98,856/x
3. Step 3: Cross multiply
   70,272x = 98,856 × 98,856
4. Step 4: Simplify right side
   70,272x = 9,772,508,736
5. Step 5: Solve for x
   x = 9,772,508,736/70,272
6. Step 6: Final answer
   x = 139,066.89