Finding the Third Proportional to 1,972,600 and 4,249,922

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972,600 : 4,249,922 = 4,249,922 : x
2. Step 2: Convert to fraction form
   1,972,600/4,249,922 = 4,249,922/x
3. Step 3: Cross multiply
   1,972,600x = 4,249,922 × 4,249,922
4. Step 4: Simplify right side
   1,972,600x = 18,061,837,006,084
5. Step 5: Solve for x
   x = 18,061,837,006,084/1,972,600
6. Step 6: Final answer
   x = 9,156,360.64