Finding the Third Proportional to 857,113 and 1,866,613

Step by Step Solution

1. Step 1: Write the proportion equation
   857,113 : 1,866,613 = 1,866,613 : x
2. Step 2: Convert to fraction form
   857,113/1,866,613 = 1,866,613/x
3. Step 3: Cross multiply
   857,113x = 1,866,613 × 1,866,613
4. Step 4: Simplify right side
   857,113x = 3,484,244,091,769
5. Step 5: Solve for x
   x = 3,484,244,091,769/857,113
6. Step 6: Final answer
   x = 4,065,093.04