Finding the Third Proportional to 74,727 and 154,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,727 : 154,552.50 = 154,552.50 : x
2. Step 2: Convert to fraction form
   74,727/154,552.50 = 154,552.50/x
3. Step 3: Cross multiply
   74,727x = 154,552.50 × 154,552.50
4. Step 4: Simplify right side
   74,727x = 23,886,475,256.25
5. Step 5: Solve for x
   x = 23,886,475,256.25/74,727
6. Step 6: Final answer
   x = 319,649.86