Finding the Third Proportional to 10,156,603 and 21,969,814

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156,603 : 21,969,814 = 21,969,814 : x
2. Step 2: Convert to fraction form
   10,156,603/21,969,814 = 21,969,814/x
3. Step 3: Cross multiply
   10,156,603x = 21,969,814 × 21,969,814
4. Step 4: Simplify right side
   10,156,603x = 482,672,727,194,596
5. Step 5: Solve for x
   x = 482,672,727,194,596/10,156,603
6. Step 6: Final answer
   x = 47,523,047.54