Finding the Third Proportional to 9,768,426 and 14,359,956

Step by Step Solution

1. Step 1: Write the proportion equation
   9,768,426 : 14,359,956 = 14,359,956 : x
2. Step 2: Convert to fraction form
   9,768,426/14,359,956 = 14,359,956/x
3. Step 3: Cross multiply
   9,768,426x = 14,359,956 × 14,359,956
4. Step 4: Simplify right side
   9,768,426x = 206,208,336,321,936
5. Step 5: Solve for x
   x = 206,208,336,321,936/9,768,426
6. Step 6: Final answer
   x = 21,109,678.91