Finding the Third Proportional to 2,128,113 and 4,669,758

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,113 : 4,669,758 = 4,669,758 : x
2. Step 2: Convert to fraction form
   2,128,113/4,669,758 = 4,669,758/x
3. Step 3: Cross multiply
   2,128,113x = 4,669,758 × 4,669,758
4. Step 4: Simplify right side
   2,128,113x = 21,806,639,778,564
5. Step 5: Solve for x
   x = 21,806,639,778,564/2,128,113
6. Step 6: Final answer
   x = 10,246,936.97