Finding the Third Proportional to 2,161,796 and 4,692,808

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,796 : 4,692,808 = 4,692,808 : x
2. Step 2: Convert to fraction form
   2,161,796/4,692,808 = 4,692,808/x
3. Step 3: Cross multiply
   2,161,796x = 4,692,808 × 4,692,808
4. Step 4: Simplify right side
   2,161,796x = 22,022,446,924,864
5. Step 5: Solve for x
   x = 22,022,446,924,864/2,161,796
6. Step 6: Final answer
   x = 10,187,106.89