Finding the Third Proportional to 154,473 and 246,697.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,473 : 246,697.50 = 246,697.50 : x
2. Step 2: Convert to fraction form
   154,473/246,697.50 = 246,697.50/x
3. Step 3: Cross multiply
   154,473x = 246,697.50 × 246,697.50
4. Step 4: Simplify right side
   154,473x = 60,859,656,506.25
5. Step 5: Solve for x
   x = 60,859,656,506.25/154,473
6. Step 6: Final answer
   x = 393,982.49