Finding the Third Proportional to 2,128,112 and 4,669,752

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,112 : 4,669,752 = 4,669,752 : x
2. Step 2: Convert to fraction form
   2,128,112/4,669,752 = 4,669,752/x
3. Step 3: Cross multiply
   2,128,112x = 4,669,752 × 4,669,752
4. Step 4: Simplify right side
   2,128,112x = 21,806,583,741,504
5. Step 5: Solve for x
   x = 21,806,583,741,504/2,128,112
6. Step 6: Final answer
   x = 10,246,915.45