Finding the Third Proportional to 4,709,412 and 10,171,692

Step by Step Solution

1. Step 1: Write the proportion equation
   4,709,412 : 10,171,692 = 10,171,692 : x
2. Step 2: Convert to fraction form
   4,709,412/10,171,692 = 10,171,692/x
3. Step 3: Cross multiply
   4,709,412x = 10,171,692 × 10,171,692
4. Step 4: Simplify right side
   4,709,412x = 103,463,318,142,864
5. Step 5: Solve for x
   x = 103,463,318,142,864/4,709,412
6. Step 6: Final answer
   x = 21,969,476.90