Finding the Third Proportional to 69,475.50 and 149,484

Step by Step Solution

1. Step 1: Write the proportion equation
   69,475.50 : 149,484 = 149,484 : x
2. Step 2: Convert to fraction form
   69,475.50/149,484 = 149,484/x
3. Step 3: Cross multiply
   69,475.50x = 149,484 × 149,484
4. Step 4: Simplify right side
   69,475.50x = 22,345,466,256
5. Step 5: Solve for x
   x = 22,345,466,256/69,475.50
6. Step 6: Final answer
   x = 321,630.88