Finding the Third Proportional to 68,620.50 and 148,846.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,620.50 : 148,846.50 = 148,846.50 : x
2. Step 2: Convert to fraction form
   68,620.50/148,846.50 = 148,846.50/x
3. Step 3: Cross multiply
   68,620.50x = 148,846.50 × 148,846.50
4. Step 4: Simplify right side
   68,620.50x = 22,155,280,562.25
5. Step 5: Solve for x
   x = 22,155,280,562.25/68,620.50
6. Step 6: Final answer
   x = 322,866.79