Finding the Third Proportional to 1,427,784 and 2,210,796

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,784 : 2,210,796 = 2,210,796 : x
2. Step 2: Convert to fraction form
   1,427,784/2,210,796 = 2,210,796/x
3. Step 3: Cross multiply
   1,427,784x = 2,210,796 × 2,210,796
4. Step 4: Simplify right side
   1,427,784x = 4,887,618,953,616
5. Step 5: Solve for x
   x = 4,887,618,953,616/1,427,784
6. Step 6: Final answer
   x = 3,423,220.15