Finding the Third Proportional to 1,085,748 and 2,144,246

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085,748 : 2,144,246 = 2,144,246 : x
2. Step 2: Convert to fraction form
   1,085,748/2,144,246 = 2,144,246/x
3. Step 3: Cross multiply
   1,085,748x = 2,144,246 × 2,144,246
4. Step 4: Simplify right side
   1,085,748x = 4,597,790,908,516
5. Step 5: Solve for x
   x = 4,597,790,908,516/1,085,748
6. Step 6: Final answer
   x = 4,234,675.92