Finding the Third Proportional to 89,730 and 140,773

Step by Step Solution

1. Step 1: Write the proportion equation
   89,730 : 140,773 = 140,773 : x
2. Step 2: Convert to fraction form
   89,730/140,773 = 140,773/x
3. Step 3: Cross multiply
   89,730x = 140,773 × 140,773
4. Step 4: Simplify right side
   89,730x = 19,817,037,529
5. Step 5: Solve for x
   x = 19,817,037,529/89,730
6. Step 6: Final answer
   x = 220,851.86