Finding the Third Proportional to 3,875,388 and 9,051,772

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875,388 : 9,051,772 = 9,051,772 : x
2. Step 2: Convert to fraction form
   3,875,388/9,051,772 = 9,051,772/x
3. Step 3: Cross multiply
   3,875,388x = 9,051,772 × 9,051,772
4. Step 4: Simplify right side
   3,875,388x = 81,934,576,339,984
5. Step 5: Solve for x
   x = 81,934,576,339,984/3,875,388
6. Step 6: Final answer
   x = 21,142,289.84