Finding the Third Proportional to 3,531,470 and 7,622,812

Step by Step Solution

1. Step 1: Write the proportion equation
   3,531,470 : 7,622,812 = 7,622,812 : x
2. Step 2: Convert to fraction form
   3,531,470/7,622,812 = 7,622,812/x
3. Step 3: Cross multiply
   3,531,470x = 7,622,812 × 7,622,812
4. Step 4: Simplify right side
   3,531,470x = 58,107,262,787,344
5. Step 5: Solve for x
   x = 58,107,262,787,344/3,531,470
6. Step 6: Final answer
   x = 16,454,128.96