Finding the Third Proportional to 1,118,974 and 1,687,745

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,974 : 1,687,745 = 1,687,745 : x
2. Step 2: Convert to fraction form
   1,118,974/1,687,745 = 1,687,745/x
3. Step 3: Cross multiply
   1,118,974x = 1,687,745 × 1,687,745
4. Step 4: Simplify right side
   1,118,974x = 2,848,483,185,025
5. Step 5: Solve for x
   x = 2,848,483,185,025/1,118,974
6. Step 6: Final answer
   x = 2,545,620.53