Finding the Third Proportional to 69,418 and 150,488

Step by Step Solution

1. Step 1: Write the proportion equation
   69,418 : 150,488 = 150,488 : x
2. Step 2: Convert to fraction form
   69,418/150,488 = 150,488/x
3. Step 3: Cross multiply
   69,418x = 150,488 × 150,488
4. Step 4: Simplify right side
   69,418x = 22,646,638,144
5. Step 5: Solve for x
   x = 22,646,638,144/69,418
6. Step 6: Final answer
   x = 326,235.82