Finding the Third Proportional to 4,173,624 and 5,590,404

Step by Step Solution

1. Step 1: Write the proportion equation
   4,173,624 : 5,590,404 = 5,590,404 : x
2. Step 2: Convert to fraction form
   4,173,624/5,590,404 = 5,590,404/x
3. Step 3: Cross multiply
   4,173,624x = 5,590,404 × 5,590,404
4. Step 4: Simplify right side
   4,173,624x = 31,252,616,883,216
5. Step 5: Solve for x
   x = 31,252,616,883,216/4,173,624
6. Step 6: Final answer
   x = 7,488,124.68