Finding the Third Proportional to 68,647.50 and 147,819.94

Step by Step Solution

1. Step 1: Write the proportion equation
   68,647.50 : 147,819.94 = 147,819.94 : x
2. Step 2: Convert to fraction form
   68,647.50/147,819.94 = 147,819.94/x
3. Step 3: Cross multiply
   68,647.50x = 147,819.94 × 147,819.94
4. Step 4: Simplify right side
   68,647.50x = 21,850,733,922.50
5. Step 5: Solve for x
   x = 21,850,733,922.50/68,647.50
6. Step 6: Final answer
   x = 318,303.42