Finding the Third Proportional to 1,061,584 and 1,643,784

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,584 : 1,643,784 = 1,643,784 : x
2. Step 2: Convert to fraction form
   1,061,584/1,643,784 = 1,643,784/x
3. Step 3: Cross multiply
   1,061,584x = 1,643,784 × 1,643,784
4. Step 4: Simplify right side
   1,061,584x = 2,702,025,838,656
5. Step 5: Solve for x
   x = 2,702,025,838,656/1,061,584
6. Step 6: Final answer
   x = 2,545,277.47