Finding the Third Proportional to 2,171,151 and 4,630,851

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,151 : 4,630,851 = 4,630,851 : x
2. Step 2: Convert to fraction form
   2,171,151/4,630,851 = 4,630,851/x
3. Step 3: Cross multiply
   2,171,151x = 4,630,851 × 4,630,851
4. Step 4: Simplify right side
   2,171,151x = 21,444,780,984,201
5. Step 5: Solve for x
   x = 21,444,780,984,201/2,171,151
6. Step 6: Final answer
   x = 9,877,148.57