Finding the Third Proportional to 52,144 and 69,144

Step by Step Solution

1. Step 1: Write the proportion equation
   52,144 : 69,144 = 69,144 : x
2. Step 2: Convert to fraction form
   52,144/69,144 = 69,144/x
3. Step 3: Cross multiply
   52,144x = 69,144 × 69,144
4. Step 4: Simplify right side
   52,144x = 4,780,892,736
5. Step 5: Solve for x
   x = 4,780,892,736/52,144
6. Step 6: Final answer
   x = 91,686.34