Finding the Third Proportional to 2,161,784 and 4,692,784

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,784 : 4,692,784 = 4,692,784 : x
2. Step 2: Convert to fraction form
   2,161,784/4,692,784 = 4,692,784/x
3. Step 3: Cross multiply
   2,161,784x = 4,692,784 × 4,692,784
4. Step 4: Simplify right side
   2,161,784x = 22,022,221,670,656
5. Step 5: Solve for x
   x = 22,022,221,670,656/2,161,784
6. Step 6: Final answer
   x = 10,187,059.24