Finding the Third Proportional to 109,034.50 and 154,623.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,034.50 : 154,623.50 = 154,623.50 : x
2. Step 2: Convert to fraction form
   109,034.50/154,623.50 = 154,623.50/x
3. Step 3: Cross multiply
   109,034.50x = 154,623.50 × 154,623.50
4. Step 4: Simplify right side
   109,034.50x = 23,908,426,752.25
5. Step 5: Solve for x
   x = 23,908,426,752.25/109,034.50
6. Step 6: Final answer
   x = 219,273.96