Finding the Third Proportional to 599,403 and 1,254,216

Step by Step Solution

1. Step 1: Write the proportion equation
   599,403 : 1,254,216 = 1,254,216 : x
2. Step 2: Convert to fraction form
   599,403/1,254,216 = 1,254,216/x
3. Step 3: Cross multiply
   599,403x = 1,254,216 × 1,254,216
4. Step 4: Simplify right side
   599,403x = 1,573,057,774,656
5. Step 5: Solve for x
   x = 1,573,057,774,656/599,403
6. Step 6: Final answer
   x = 2,624,374.21