Finding the Third Proportional to 3,509,131 and 7,652,870

Step by Step Solution

1. Step 1: Write the proportion equation
   3,509,131 : 7,652,870 = 7,652,870 : x
2. Step 2: Convert to fraction form
   3,509,131/7,652,870 = 7,652,870/x
3. Step 3: Cross multiply
   3,509,131x = 7,652,870 × 7,652,870
4. Step 4: Simplify right side
   3,509,131x = 58,566,419,236,900
5. Step 5: Solve for x
   x = 58,566,419,236,900/3,509,131
6. Step 6: Final answer
   x = 16,689,721.54