Finding the Third Proportional to 10,151,470 and 21,920,910

Step by Step Solution

1. Step 1: Write the proportion equation
   10,151,470 : 21,920,910 = 21,920,910 : x
2. Step 2: Convert to fraction form
   10,151,470/21,920,910 = 21,920,910/x
3. Step 3: Cross multiply
   10,151,470x = 21,920,910 × 21,920,910
4. Step 4: Simplify right side
   10,151,470x = 480,526,295,228,100
5. Step 5: Solve for x
   x = 480,526,295,228,100/10,151,470
6. Step 6: Final answer
   x = 47,335,636.63