Finding the Third Proportional to 10,115,942 and 22,120,300

Step by Step Solution

1. Step 1: Write the proportion equation
   10,115,942 : 22,120,300 = 22,120,300 : x
2. Step 2: Convert to fraction form
   10,115,942/22,120,300 = 22,120,300/x
3. Step 3: Cross multiply
   10,115,942x = 22,120,300 × 22,120,300
4. Step 4: Simplify right side
   10,115,942x = 489,307,672,090,000
5. Step 5: Solve for x
   x = 489,307,672,090,000/10,115,942
6. Step 6: Final answer
   x = 48,369,956.26