Finding the Third Proportional to 9,911,754 and 13,958,145

Step by Step Solution

1. Step 1: Write the proportion equation
   9,911,754 : 13,958,145 = 13,958,145 : x
2. Step 2: Convert to fraction form
   9,911,754/13,958,145 = 13,958,145/x
3. Step 3: Cross multiply
   9,911,754x = 13,958,145 × 13,958,145
4. Step 4: Simplify right side
   9,911,754x = 194,829,811,841,025
5. Step 5: Solve for x
   x = 194,829,811,841,025/9,911,754
6. Step 6: Final answer
   x = 19,656,441.42