Finding the Third Proportional to 109,363.50 and 156,390

Step by Step Solution

1. Step 1: Write the proportion equation
   109,363.50 : 156,390 = 156,390 : x
2. Step 2: Convert to fraction form
   109,363.50/156,390 = 156,390/x
3. Step 3: Cross multiply
   109,363.50x = 156,390 × 156,390
4. Step 4: Simplify right side
   109,363.50x = 24,457,832,100
5. Step 5: Solve for x
   x = 24,457,832,100/109,363.50
6. Step 6: Final answer
   x = 223,637.98