Finding the Third Proportional to 74,979 and 158,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,979 : 158,386.50 = 158,386.50 : x
2. Step 2: Convert to fraction form
   74,979/158,386.50 = 158,386.50/x
3. Step 3: Cross multiply
   74,979x = 158,386.50 × 158,386.50
4. Step 4: Simplify right side
   74,979x = 25,086,283,382.25
5. Step 5: Solve for x
   x = 25,086,283,382.25/74,979
6. Step 6: Final answer
   x = 334,577.46