Finding the Third Proportional to 67,970.25 and 99,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,970.25 : 99,949.50 = 99,949.50 : x
2. Step 2: Convert to fraction form
   67,970.25/99,949.50 = 99,949.50/x
3. Step 3: Cross multiply
   67,970.25x = 99,949.50 × 99,949.50
4. Step 4: Simplify right side
   67,970.25x = 9,989,902,550.25
5. Step 5: Solve for x
   x = 9,989,902,550.25/67,970.25
6. Step 6: Final answer
   x = 146,974.63