Finding the Third Proportional to 1,010,928 and 2,178,528

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010,928 : 2,178,528 = 2,178,528 : x
2. Step 2: Convert to fraction form
   1,010,928/2,178,528 = 2,178,528/x
3. Step 3: Cross multiply
   1,010,928x = 2,178,528 × 2,178,528
4. Step 4: Simplify right side
   1,010,928x = 4,745,984,246,784
5. Step 5: Solve for x
   x = 4,745,984,246,784/1,010,928
6. Step 6: Final answer
   x = 4,694,680.78