Finding the Third Proportional to 3,508,521 and 5,248,500

Step by Step Solution

1. Step 1: Write the proportion equation
   3,508,521 : 5,248,500 = 5,248,500 : x
2. Step 2: Convert to fraction form
   3,508,521/5,248,500 = 5,248,500/x
3. Step 3: Cross multiply
   3,508,521x = 5,248,500 × 5,248,500
4. Step 4: Simplify right side
   3,508,521x = 27,546,752,250,000
5. Step 5: Solve for x
   x = 27,546,752,250,000/3,508,521
6. Step 6: Final answer
   x = 7,851,385.88