Finding the Third Proportional to 154,882 and 318,101.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,882 : 318,101.50 = 318,101.50 : x
2. Step 2: Convert to fraction form
   154,882/318,101.50 = 318,101.50/x
3. Step 3: Cross multiply
   154,882x = 318,101.50 × 318,101.50
4. Step 4: Simplify right side
   154,882x = 101,188,564,302.25
5. Step 5: Solve for x
   x = 101,188,564,302.25/154,882
6. Step 6: Final answer
   x = 653,326.82