Finding the Third Proportional to 2,161,222 and 4,702,988

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,222 : 4,702,988 = 4,702,988 : x
2. Step 2: Convert to fraction form
   2,161,222/4,702,988 = 4,702,988/x
3. Step 3: Cross multiply
   2,161,222x = 4,702,988 × 4,702,988
4. Step 4: Simplify right side
   2,161,222x = 22,118,096,128,144
5. Step 5: Solve for x
   x = 22,118,096,128,144/2,161,222
6. Step 6: Final answer
   x = 10,234,069.49