Finding the Third Proportional to 9,181,476 and 20,108,172

Step by Step Solution

1. Step 1: Write the proportion equation
   9,181,476 : 20,108,172 = 20,108,172 : x
2. Step 2: Convert to fraction form
   9,181,476/20,108,172 = 20,108,172/x
3. Step 3: Cross multiply
   9,181,476x = 20,108,172 × 20,108,172
4. Step 4: Simplify right side
   9,181,476x = 404,338,581,181,584
5. Step 5: Solve for x
   x = 404,338,581,181,584/9,181,476
6. Step 6: Final answer
   x = 44,038,516.38