Finding the Third Proportional to 2,171,109 and 4,630,776

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,109 : 4,630,776 = 4,630,776 : x
2. Step 2: Convert to fraction form
   2,171,109/4,630,776 = 4,630,776/x
3. Step 3: Cross multiply
   2,171,109x = 4,630,776 × 4,630,776
4. Step 4: Simplify right side
   2,171,109x = 21,444,086,362,176
5. Step 5: Solve for x
   x = 21,444,086,362,176/2,171,109
6. Step 6: Final answer
   x = 9,877,019.70