Finding the Third Proportional to 1,215,704 and 2,645,460

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,704 : 2,645,460 = 2,645,460 : x
2. Step 2: Convert to fraction form
   1,215,704/2,645,460 = 2,645,460/x
3. Step 3: Cross multiply
   1,215,704x = 2,645,460 × 2,645,460
4. Step 4: Simplify right side
   1,215,704x = 6,998,458,611,600
5. Step 5: Solve for x
   x = 6,998,458,611,600/1,215,704
6. Step 6: Final answer
   x = 5,756,712.66