Finding the Third Proportional to 1,150,688 and 1,786,620

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,688 : 1,786,620 = 1,786,620 : x
2. Step 2: Convert to fraction form
   1,150,688/1,786,620 = 1,786,620/x
3. Step 3: Cross multiply
   1,150,688x = 1,786,620 × 1,786,620
4. Step 4: Simplify right side
   1,150,688x = 3,192,011,024,400
5. Step 5: Solve for x
   x = 3,192,011,024,400/1,150,688
6. Step 6: Final answer
   x = 2,774,002.18