Finding the Third Proportional to 19,578,314 and 41,990,980

Step by Step Solution

1. Step 1: Write the proportion equation
   19,578,314 : 41,990,980 = 41,990,980 : x
2. Step 2: Convert to fraction form
   19,578,314/41,990,980 = 41,990,980/x
3. Step 3: Cross multiply
   19,578,314x = 41,990,980 × 41,990,980
4. Step 4: Simplify right side
   19,578,314x = 1,763,242,401,360,400
5. Step 5: Solve for x
   x = 1,763,242,401,360,400/19,578,314
6. Step 6: Final answer
   x = 90,060,993.06