Finding the Third Proportional to 1,068,400 and 2,176,376

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068,400 : 2,176,376 = 2,176,376 : x
2. Step 2: Convert to fraction form
   1,068,400/2,176,376 = 2,176,376/x
3. Step 3: Cross multiply
   1,068,400x = 2,176,376 × 2,176,376
4. Step 4: Simplify right side
   1,068,400x = 4,736,612,493,376
5. Step 5: Solve for x
   x = 4,736,612,493,376/1,068,400
6. Step 6: Final answer
   x = 4,433,369.99