Finding the Third Proportional to 1,250,140 and 1,866,979

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250,140 : 1,866,979 = 1,866,979 : x
2. Step 2: Convert to fraction form
   1,250,140/1,866,979 = 1,866,979/x
3. Step 3: Cross multiply
   1,250,140x = 1,866,979 × 1,866,979
4. Step 4: Simplify right side
   1,250,140x = 3,485,610,586,441
5. Step 5: Solve for x
   x = 3,485,610,586,441/1,250,140
6. Step 6: Final answer
   x = 2,788,176.19