Finding the Third Proportional to 1,008,504 and 2,151,788

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,504 : 2,151,788 = 2,151,788 : x
2. Step 2: Convert to fraction form
   1,008,504/2,151,788 = 2,151,788/x
3. Step 3: Cross multiply
   1,008,504x = 2,151,788 × 2,151,788
4. Step 4: Simplify right side
   1,008,504x = 4,630,191,596,944
5. Step 5: Solve for x
   x = 4,630,191,596,944/1,008,504
6. Step 6: Final answer
   x = 4,591,148.47