Finding the Third Proportional to 89,732 and 140,776

Step by Step Solution

1. Step 1: Write the proportion equation
   89,732 : 140,776 = 140,776 : x
2. Step 2: Convert to fraction form
   89,732/140,776 = 140,776/x
3. Step 3: Cross multiply
   89,732x = 140,776 × 140,776
4. Step 4: Simplify right side
   89,732x = 19,817,882,176
5. Step 5: Solve for x
   x = 19,817,882,176/89,732
6. Step 6: Final answer
   x = 220,856.35