Finding the Third Proportional to 40,144 and 64,124

Step by Step Solution

1. Step 1: Write the proportion equation
   40,144 : 64,124 = 64,124 : x
2. Step 2: Convert to fraction form
   40,144/64,124 = 64,124/x
3. Step 3: Cross multiply
   40,144x = 64,124 × 64,124
4. Step 4: Simplify right side
   40,144x = 4,111,887,376
5. Step 5: Solve for x
   x = 4,111,887,376/40,144
6. Step 6: Final answer
   x = 102,428.44