Finding the Third Proportional to 2,130,642 and 4,577,508

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130,642 : 4,577,508 = 4,577,508 : x
2. Step 2: Convert to fraction form
   2,130,642/4,577,508 = 4,577,508/x
3. Step 3: Cross multiply
   2,130,642x = 4,577,508 × 4,577,508
4. Step 4: Simplify right side
   2,130,642x = 20,953,579,490,064
5. Step 5: Solve for x
   x = 20,953,579,490,064/2,130,642
6. Step 6: Final answer
   x = 9,834,397.09