Finding the Third Proportional to 1,247,652 and 1,983,458

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,652 : 1,983,458 = 1,983,458 : x
2. Step 2: Convert to fraction form
   1,247,652/1,983,458 = 1,983,458/x
3. Step 3: Cross multiply
   1,247,652x = 1,983,458 × 1,983,458
4. Step 4: Simplify right side
   1,247,652x = 3,934,105,637,764
5. Step 5: Solve for x
   x = 3,934,105,637,764/1,247,652
6. Step 6: Final answer
   x = 3,153,207.50