Finding the Third Proportional to 1,578,894 and 3,472,716

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,894 : 3,472,716 = 3,472,716 : x
2. Step 2: Convert to fraction form
   1,578,894/3,472,716 = 3,472,716/x
3. Step 3: Cross multiply
   1,578,894x = 3,472,716 × 3,472,716
4. Step 4: Simplify right side
   1,578,894x = 12,059,756,416,656
5. Step 5: Solve for x
   x = 12,059,756,416,656/1,578,894
6. Step 6: Final answer
   x = 7,638,103.90