Finding the Third Proportional to 860,546 and 1,866,244

Step by Step Solution

1. Step 1: Write the proportion equation
   860,546 : 1,866,244 = 1,866,244 : x
2. Step 2: Convert to fraction form
   860,546/1,866,244 = 1,866,244/x
3. Step 3: Cross multiply
   860,546x = 1,866,244 × 1,866,244
4. Step 4: Simplify right side
   860,546x = 3,482,866,667,536
5. Step 5: Solve for x
   x = 3,482,866,667,536/860,546
6. Step 6: Final answer
   x = 4,047,275.41