Finding the Third Proportional to 790,857 and 1,866,132

Step by Step Solution

1. Step 1: Write the proportion equation
   790,857 : 1,866,132 = 1,866,132 : x
2. Step 2: Convert to fraction form
   790,857/1,866,132 = 1,866,132/x
3. Step 3: Cross multiply
   790,857x = 1,866,132 × 1,866,132
4. Step 4: Simplify right side
   790,857x = 3,482,448,641,424
5. Step 5: Solve for x
   x = 3,482,448,641,424/790,857
6. Step 6: Final answer
   x = 4,403,386.00