Finding the Third Proportional to 864,140 and 1,893,586

Step by Step Solution

1. Step 1: Write the proportion equation
   864,140 : 1,893,586 = 1,893,586 : x
2. Step 2: Convert to fraction form
   864,140/1,893,586 = 1,893,586/x
3. Step 3: Cross multiply
   864,140x = 1,893,586 × 1,893,586
4. Step 4: Simplify right side
   864,140x = 3,585,667,939,396
5. Step 5: Solve for x
   x = 3,585,667,939,396/864,140
6. Step 6: Final answer
   x = 4,149,406.28