Finding the Third Proportional to 10,156,605 and 21,969,818

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156,605 : 21,969,818 = 21,969,818 : x
2. Step 2: Convert to fraction form
   10,156,605/21,969,818 = 21,969,818/x
3. Step 3: Cross multiply
   10,156,605x = 21,969,818 × 21,969,818
4. Step 4: Simplify right side
   10,156,605x = 482,672,902,953,124
5. Step 5: Solve for x
   x = 482,672,902,953,124/10,156,605
6. Step 6: Final answer
   x = 47,523,055.48