Finding the Third Proportional to 154,795.50 and 316,150.88

Step by Step Solution

1. Step 1: Write the proportion equation
   154,795.50 : 316,150.88 = 316,150.88 : x
2. Step 2: Convert to fraction form
   154,795.50/316,150.88 = 316,150.88/x
3. Step 3: Cross multiply
   154,795.50x = 316,150.88 × 316,150.88
4. Step 4: Simplify right side
   154,795.50x = 99,951,375,763.27
5. Step 5: Solve for x
   x = 99,951,375,763.27/154,795.50
6. Step 6: Final answer
   x = 645,699.49