Finding the Third Proportional to 149,935 and 310,480.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,935 : 310,480.50 = 310,480.50 : x
2. Step 2: Convert to fraction form
   149,935/310,480.50 = 310,480.50/x
3. Step 3: Cross multiply
   149,935x = 310,480.50 × 310,480.50
4. Step 4: Simplify right side
   149,935x = 96,398,140,880.25
5. Step 5: Solve for x
   x = 96,398,140,880.25/149,935
6. Step 6: Final answer
   x = 642,932.88