Finding the Third Proportional to 10,921,772 and 16,958,132

Step by Step Solution

1. Step 1: Write the proportion equation
   10,921,772 : 16,958,132 = 16,958,132 : x
2. Step 2: Convert to fraction form
   10,921,772/16,958,132 = 16,958,132/x
3. Step 3: Cross multiply
   10,921,772x = 16,958,132 × 16,958,132
4. Step 4: Simplify right side
   10,921,772x = 287,578,240,929,424
5. Step 5: Solve for x
   x = 287,578,240,929,424/10,921,772
6. Step 6: Final answer
   x = 26,330,731.03