Finding the Third Proportional to 5,219,790 and 7,985,682

Step by Step Solution

1. Step 1: Write the proportion equation
   5,219,790 : 7,985,682 = 7,985,682 : x
2. Step 2: Convert to fraction form
   5,219,790/7,985,682 = 7,985,682/x
3. Step 3: Cross multiply
   5,219,790x = 7,985,682 × 7,985,682
4. Step 4: Simplify right side
   5,219,790x = 63,771,117,005,124
5. Step 5: Solve for x
   x = 63,771,117,005,124/5,219,790
6. Step 6: Final answer
   x = 12,217,180.58