Finding the Third Proportional to 1,055,680 and 2,148,784

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055,680 : 2,148,784 = 2,148,784 : x
2. Step 2: Convert to fraction form
   1,055,680/2,148,784 = 2,148,784/x
3. Step 3: Cross multiply
   1,055,680x = 2,148,784 × 2,148,784
4. Step 4: Simplify right side
   1,055,680x = 4,617,272,678,656
5. Step 5: Solve for x
   x = 4,617,272,678,656/1,055,680
6. Step 6: Final answer
   x = 4,373,742.69