Finding the Third Proportional to 88,412 and 139,998

Step by Step Solution

1. Step 1: Write the proportion equation
   88,412 : 139,998 = 139,998 : x
2. Step 2: Convert to fraction form
   88,412/139,998 = 139,998/x
3. Step 3: Cross multiply
   88,412x = 139,998 × 139,998
4. Step 4: Simplify right side
   88,412x = 19,599,440,004
5. Step 5: Solve for x
   x = 19,599,440,004/88,412
6. Step 6: Final answer
   x = 221,683.03