Finding the Third Proportional to 1,380,863 and 3,000,748

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380,863 : 3,000,748 = 3,000,748 : x
2. Step 2: Convert to fraction form
   1,380,863/3,000,748 = 3,000,748/x
3. Step 3: Cross multiply
   1,380,863x = 3,000,748 × 3,000,748
4. Step 4: Simplify right side
   1,380,863x = 9,004,488,559,504
5. Step 5: Solve for x
   x = 9,004,488,559,504/1,380,863
6. Step 6: Final answer
   x = 6,520,913.78