Finding the Third Proportional to 10,151,471 and 21,920,912

Step by Step Solution

1. Step 1: Write the proportion equation
   10,151,471 : 21,920,912 = 21,920,912 : x
2. Step 2: Convert to fraction form
   10,151,471/21,920,912 = 21,920,912/x
3. Step 3: Cross multiply
   10,151,471x = 21,920,912 × 21,920,912
4. Step 4: Simplify right side
   10,151,471x = 480,526,382,911,744
5. Step 5: Solve for x
   x = 480,526,382,911,744/10,151,471
6. Step 6: Final answer
   x = 47,335,640.61