Finding the Third Proportional to 10,120,038 and 21,686,412

Step by Step Solution

1. Step 1: Write the proportion equation
   10,120,038 : 21,686,412 = 21,686,412 : x
2. Step 2: Convert to fraction form
   10,120,038/21,686,412 = 21,686,412/x
3. Step 3: Cross multiply
   10,120,038x = 21,686,412 × 21,686,412
4. Step 4: Simplify right side
   10,120,038x = 470,300,465,433,744
5. Step 5: Solve for x
   x = 470,300,465,433,744/10,120,038
6. Step 6: Final answer
   x = 46,472,203.51