Finding the Third Proportional to 72,784.50 and 154,317

Step by Step Solution

1. Step 1: Write the proportion equation
   72,784.50 : 154,317 = 154,317 : x
2. Step 2: Convert to fraction form
   72,784.50/154,317 = 154,317/x
3. Step 3: Cross multiply
   72,784.50x = 154,317 × 154,317
4. Step 4: Simplify right side
   72,784.50x = 23,813,736,489
5. Step 5: Solve for x
   x = 23,813,736,489/72,784.50
6. Step 6: Final answer
   x = 327,181.43