Finding the Third Proportional to 8,255,978 and 12,141,303

Step by Step Solution

1. Step 1: Write the proportion equation
   8,255,978 : 12,141,303 = 12,141,303 : x
2. Step 2: Convert to fraction form
   8,255,978/12,141,303 = 12,141,303/x
3. Step 3: Cross multiply
   8,255,978x = 12,141,303 × 12,141,303
4. Step 4: Simplify right side
   8,255,978x = 147,411,238,537,809
5. Step 5: Solve for x
   x = 147,411,238,537,809/8,255,978
6. Step 6: Final answer
   x = 17,855,091.01