Finding the Third Proportional to 119,227 and 172,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,227 : 172,405.50 = 172,405.50 : x
2. Step 2: Convert to fraction form
   119,227/172,405.50 = 172,405.50/x
3. Step 3: Cross multiply
   119,227x = 172,405.50 × 172,405.50
4. Step 4: Simplify right side
   119,227x = 29,723,656,430.25
5. Step 5: Solve for x
   x = 29,723,656,430.25/119,227
6. Step 6: Final answer
   x = 249,303.06