Finding the Third Proportional to 69,705 and 148,401

Step by Step Solution

1. Step 1: Write the proportion equation
   69,705 : 148,401 = 148,401 : x
2. Step 2: Convert to fraction form
   69,705/148,401 = 148,401/x
3. Step 3: Cross multiply
   69,705x = 148,401 × 148,401
4. Step 4: Simplify right side
   69,705x = 22,022,856,801
5. Step 5: Solve for x
   x = 22,022,856,801/69,705
6. Step 6: Final answer
   x = 315,943.72