Finding the Third Proportional to 2,191,860 and 3,439,248

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,860 : 3,439,248 = 3,439,248 : x
2. Step 2: Convert to fraction form
   2,191,860/3,439,248 = 3,439,248/x
3. Step 3: Cross multiply
   2,191,860x = 3,439,248 × 3,439,248
4. Step 4: Simplify right side
   2,191,860x = 11,828,426,805,504
5. Step 5: Solve for x
   x = 11,828,426,805,504/2,191,860
6. Step 6: Final answer
   x = 5,396,524.78