Finding the Third Proportional to 727,064 and 1,555,216

Step by Step Solution

1. Step 1: Write the proportion equation
   727,064 : 1,555,216 = 1,555,216 : x
2. Step 2: Convert to fraction form
   727,064/1,555,216 = 1,555,216/x
3. Step 3: Cross multiply
   727,064x = 1,555,216 × 1,555,216
4. Step 4: Simplify right side
   727,064x = 2,418,696,806,656
5. Step 5: Solve for x
   x = 2,418,696,806,656/727,064
6. Step 6: Final answer
   x = 3,326,662.86