Finding the Third Proportional to 1,211,400 and 2,634,948

Step by Step Solution

1. Step 1: Write the proportion equation
   1,211,400 : 2,634,948 = 2,634,948 : x
2. Step 2: Convert to fraction form
   1,211,400/2,634,948 = 2,634,948/x
3. Step 3: Cross multiply
   1,211,400x = 2,634,948 × 2,634,948
4. Step 4: Simplify right side
   1,211,400x = 6,942,950,962,704
5. Step 5: Solve for x
   x = 6,942,950,962,704/1,211,400
6. Step 6: Final answer
   x = 5,731,344.69