Finding the Third Proportional to 3,490,566 and 5,120,937

Step by Step Solution

1. Step 1: Write the proportion equation
   3,490,566 : 5,120,937 = 5,120,937 : x
2. Step 2: Convert to fraction form
   3,490,566/5,120,937 = 5,120,937/x
3. Step 3: Cross multiply
   3,490,566x = 5,120,937 × 5,120,937
4. Step 4: Simplify right side
   3,490,566x = 26,223,995,757,969
5. Step 5: Solve for x
   x = 26,223,995,757,969/3,490,566
6. Step 6: Final answer
   x = 7,512,820.49