Finding the Third Proportional to 67,453 and 146,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,453 : 146,805.50 = 146,805.50 : x
2. Step 2: Convert to fraction form
   67,453/146,805.50 = 146,805.50/x
3. Step 3: Cross multiply
   67,453x = 146,805.50 × 146,805.50
4. Step 4: Simplify right side
   67,453x = 21,551,854,830.25
5. Step 5: Solve for x
   x = 21,551,854,830.25/67,453
6. Step 6: Final answer
   x = 319,509.21