Finding the Third Proportional to 69,425 and 151,690

Step by Step Solution

1. Step 1: Write the proportion equation
   69,425 : 151,690 = 151,690 : x
2. Step 2: Convert to fraction form
   69,425/151,690 = 151,690/x
3. Step 3: Cross multiply
   69,425x = 151,690 × 151,690
4. Step 4: Simplify right side
   69,425x = 23,009,856,100
5. Step 5: Solve for x
   x = 23,009,856,100/69,425
6. Step 6: Final answer
   x = 331,434.73