Finding the Third Proportional to 10,313,476 and 21,856,370

Step by Step Solution

1. Step 1: Write the proportion equation
   10,313,476 : 21,856,370 = 21,856,370 : x
2. Step 2: Convert to fraction form
   10,313,476/21,856,370 = 21,856,370/x
3. Step 3: Cross multiply
   10,313,476x = 21,856,370 × 21,856,370
4. Step 4: Simplify right side
   10,313,476x = 477,700,909,576,900
5. Step 5: Solve for x
   x = 477,700,909,576,900/10,313,476
6. Step 6: Final answer
   x = 46,318,128.78