Finding the Third Proportional to 67,424 and 147,810

Step by Step Solution

1. Step 1: Write the proportion equation
   67,424 : 147,810 = 147,810 : x
2. Step 2: Convert to fraction form
   67,424/147,810 = 147,810/x
3. Step 3: Cross multiply
   67,424x = 147,810 × 147,810
4. Step 4: Simplify right side
   67,424x = 21,847,796,100
5. Step 5: Solve for x
   x = 21,847,796,100/67,424
6. Step 6: Final answer
   x = 324,035.89