Finding the Third Proportional to 6,015,880 and 12,990,590

Step by Step Solution

1. Step 1: Write the proportion equation
   6,015,880 : 12,990,590 = 12,990,590 : x
2. Step 2: Convert to fraction form
   6,015,880/12,990,590 = 12,990,590/x
3. Step 3: Cross multiply
   6,015,880x = 12,990,590 × 12,990,590
4. Step 4: Simplify right side
   6,015,880x = 168,755,428,548,100
5. Step 5: Solve for x
   x = 168,755,428,548,100/6,015,880
6. Step 6: Final answer
   x = 28,051,661.36