Finding the Third Proportional to 719,478 and 1,554,216

Step by Step Solution

1. Step 1: Write the proportion equation
   719,478 : 1,554,216 = 1,554,216 : x
2. Step 2: Convert to fraction form
   719,478/1,554,216 = 1,554,216/x
3. Step 3: Cross multiply
   719,478x = 1,554,216 × 1,554,216
4. Step 4: Simplify right side
   719,478x = 2,415,587,374,656
5. Step 5: Solve for x
   x = 2,415,587,374,656/719,478
6. Step 6: Final answer
   x = 3,357,416.59