Finding the Third Proportional to 12,028,870 and 17,379,643

Step by Step Solution

1. Step 1: Write the proportion equation
   12,028,870 : 17,379,643 = 17,379,643 : x
2. Step 2: Convert to fraction form
   12,028,870/17,379,643 = 17,379,643/x
3. Step 3: Cross multiply
   12,028,870x = 17,379,643 × 17,379,643
4. Step 4: Simplify right side
   12,028,870x = 302,051,990,807,449
5. Step 5: Solve for x
   x = 302,051,990,807,449/12,028,870
6. Step 6: Final answer
   x = 25,110,587.35