Finding the Third Proportional to 67,454 and 146,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,454 : 146,807.50 = 146,807.50 : x
2. Step 2: Convert to fraction form
   67,454/146,807.50 = 146,807.50/x
3. Step 3: Cross multiply
   67,454x = 146,807.50 × 146,807.50
4. Step 4: Simplify right side
   67,454x = 21,552,442,056.25
5. Step 5: Solve for x
   x = 21,552,442,056.25/67,454
6. Step 6: Final answer
   x = 319,513.18