Finding the Third Proportional to 158,709 and 245,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,709 : 245,947.50 = 245,947.50 : x
2. Step 2: Convert to fraction form
   158,709/245,947.50 = 245,947.50/x
3. Step 3: Cross multiply
   158,709x = 245,947.50 × 245,947.50
4. Step 4: Simplify right side
   158,709x = 60,490,172,756.25
5. Step 5: Solve for x
   x = 60,490,172,756.25/158,709
6. Step 6: Final answer
   x = 381,138.89