Finding the Third Proportional to 70,288.50 and 146,410.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,288.50 : 146,410.50 = 146,410.50 : x
2. Step 2: Convert to fraction form
   70,288.50/146,410.50 = 146,410.50/x
3. Step 3: Cross multiply
   70,288.50x = 146,410.50 × 146,410.50
4. Step 4: Simplify right side
   70,288.50x = 21,436,034,510.25
5. Step 5: Solve for x
   x = 21,436,034,510.25/70,288.50
6. Step 6: Final answer
   x = 304,972.14