Finding the Third Proportional to 100,939 and 154,943.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,939 : 154,943.50 = 154,943.50 : x
2. Step 2: Convert to fraction form
   100,939/154,943.50 = 154,943.50/x
3. Step 3: Cross multiply
   100,939x = 154,943.50 × 154,943.50
4. Step 4: Simplify right side
   100,939x = 24,007,488,192.25
5. Step 5: Solve for x
   x = 24,007,488,192.25/100,939
6. Step 6: Final answer
   x = 237,841.55