Finding the Third Proportional to 2,161,768 and 4,692,752

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,768 : 4,692,752 = 4,692,752 : x
2. Step 2: Convert to fraction form
   2,161,768/4,692,752 = 4,692,752/x
3. Step 3: Cross multiply
   2,161,768x = 4,692,752 × 4,692,752
4. Step 4: Simplify right side
   2,161,768x = 22,021,921,333,504
5. Step 5: Solve for x
   x = 22,021,921,333,504/2,161,768
6. Step 6: Final answer
   x = 10,186,995.71