Finding the Third Proportional to 5,121,182 and 7,929,107

Step by Step Solution

1. Step 1: Write the proportion equation
   5,121,182 : 7,929,107 = 7,929,107 : x
2. Step 2: Convert to fraction form
   5,121,182/7,929,107 = 7,929,107/x
3. Step 3: Cross multiply
   5,121,182x = 7,929,107 × 7,929,107
4. Step 4: Simplify right side
   5,121,182x = 62,870,737,817,449
5. Step 5: Solve for x
   x = 62,870,737,817,449/5,121,182
6. Step 6: Final answer
   x = 12,276,606.81