Finding the Third Proportional to 2,639,245.78 and 4,080,068.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,245.78 : 4,080,068.72 = 4,080,068.72 : x
2. Step 2: Convert to fraction form
   2,639,245.78/4,080,068.72 = 4,080,068.72/x
3. Step 3: Cross multiply
   2,639,245.78x = 4,080,068.72 × 4,080,068.72
4. Step 4: Simplify right side
   2,639,245.78x = 16,646,960,749,722.27
5. Step 5: Solve for x
   x = 16,646,960,749,722.27/2,639,245.78
6. Step 6: Final answer
   x = 6,307,468.92