Finding the Third Proportional to 1,178,644 and 2,529,330

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,644 : 2,529,330 = 2,529,330 : x
2. Step 2: Convert to fraction form
   1,178,644/2,529,330 = 2,529,330/x
3. Step 3: Cross multiply
   1,178,644x = 2,529,330 × 2,529,330
4. Step 4: Simplify right side
   1,178,644x = 6,397,510,248,900
5. Step 5: Solve for x
   x = 6,397,510,248,900/1,178,644
6. Step 6: Final answer
   x = 5,427,856.29