Finding the Third Proportional to 6,786,978 and 14,545,488

Step by Step Solution

1. Step 1: Write the proportion equation
   6,786,978 : 14,545,488 = 14,545,488 : x
2. Step 2: Convert to fraction form
   6,786,978/14,545,488 = 14,545,488/x
3. Step 3: Cross multiply
   6,786,978x = 14,545,488 × 14,545,488
4. Step 4: Simplify right side
   6,786,978x = 211,571,221,158,144
5. Step 5: Solve for x
   x = 211,571,221,158,144/6,786,978
6. Step 6: Final answer
   x = 31,173,111.38