Finding the Third Proportional to 10,313,472 and 21,856,362

Step by Step Solution

1. Step 1: Write the proportion equation
   10,313,472 : 21,856,362 = 21,856,362 : x
2. Step 2: Convert to fraction form
   10,313,472/21,856,362 = 21,856,362/x
3. Step 3: Cross multiply
   10,313,472x = 21,856,362 × 21,856,362
4. Step 4: Simplify right side
   10,313,472x = 477,700,559,875,044
5. Step 5: Solve for x
   x = 477,700,559,875,044/10,313,472
6. Step 6: Final answer
   x = 46,318,112.84