Finding the Third Proportional to 158,641.88 and 242,986.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,641.88 : 242,986.50 = 242,986.50 : x
2. Step 2: Convert to fraction form
   158,641.88/242,986.50 = 242,986.50/x
3. Step 3: Cross multiply
   158,641.88x = 242,986.50 × 242,986.50
4. Step 4: Simplify right side
   158,641.88x = 59,042,439,182.25
5. Step 5: Solve for x
   x = 59,042,439,182.25/158,641.88
6. Step 6: Final answer
   x = 372,174.37