Finding the Third Proportional to 2,191,572 and 3,211,542

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,572 : 3,211,542 = 3,211,542 : x
2. Step 2: Convert to fraction form
   2,191,572/3,211,542 = 3,211,542/x
3. Step 3: Cross multiply
   2,191,572x = 3,211,542 × 3,211,542
4. Step 4: Simplify right side
   2,191,572x = 10,314,002,017,764
5. Step 5: Solve for x
   x = 10,314,002,017,764/2,191,572
6. Step 6: Final answer
   x = 4,706,211.80