Finding the Third Proportional to 89,776 and 140,848

Step by Step Solution

1. Step 1: Write the proportion equation
   89,776 : 140,848 = 140,848 : x
2. Step 2: Convert to fraction form
   89,776/140,848 = 140,848/x
3. Step 3: Cross multiply
   89,776x = 140,848 × 140,848
4. Step 4: Simplify right side
   89,776x = 19,838,159,104
5. Step 5: Solve for x
   x = 19,838,159,104/89,776
6. Step 6: Final answer
   x = 220,973.97