Finding the Third Proportional to 74,085 and 159,751.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,085 : 159,751.50 = 159,751.50 : x
2. Step 2: Convert to fraction form
   74,085/159,751.50 = 159,751.50/x
3. Step 3: Cross multiply
   74,085x = 159,751.50 × 159,751.50
4. Step 4: Simplify right side
   74,085x = 25,520,541,752.25
5. Step 5: Solve for x
   x = 25,520,541,752.25/74,085
6. Step 6: Final answer
   x = 344,476.50