Finding the Third Proportional to 2,123,634 and 4,620,510

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,634 : 4,620,510 = 4,620,510 : x
2. Step 2: Convert to fraction form
   2,123,634/4,620,510 = 4,620,510/x
3. Step 3: Cross multiply
   2,123,634x = 4,620,510 × 4,620,510
4. Step 4: Simplify right side
   2,123,634x = 21,349,112,660,100
5. Step 5: Solve for x
   x = 21,349,112,660,100/2,123,634
6. Step 6: Final answer
   x = 10,053,103.62