Finding the Third Proportional to 2,151,510 and 4,681,542

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151,510 : 4,681,542 = 4,681,542 : x
2. Step 2: Convert to fraction form
   2,151,510/4,681,542 = 4,681,542/x
3. Step 3: Cross multiply
   2,151,510x = 4,681,542 × 4,681,542
4. Step 4: Simplify right side
   2,151,510x = 21,916,835,497,764
5. Step 5: Solve for x
   x = 21,916,835,497,764/2,151,510
6. Step 6: Final answer
   x = 10,186,722.58