Finding the Third Proportional to 2,161,752 and 4,692,720

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,752 : 4,692,720 = 4,692,720 : x
2. Step 2: Convert to fraction form
   2,161,752/4,692,720 = 4,692,720/x
3. Step 3: Cross multiply
   2,161,752x = 4,692,720 × 4,692,720
4. Step 4: Simplify right side
   2,161,752x = 22,021,620,998,400
5. Step 5: Solve for x
   x = 22,021,620,998,400/2,161,752
6. Step 6: Final answer
   x = 10,186,932.17