Finding the Third Proportional to 3,531,612 and 7,622,772

Step by Step Solution

1. Step 1: Write the proportion equation
   3,531,612 : 7,622,772 = 7,622,772 : x
2. Step 2: Convert to fraction form
   3,531,612/7,622,772 = 7,622,772/x
3. Step 3: Cross multiply
   3,531,612x = 7,622,772 × 7,622,772
4. Step 4: Simplify right side
   3,531,612x = 58,106,652,963,984
5. Step 5: Solve for x
   x = 58,106,652,963,984/3,531,612
6. Step 6: Final answer
   x = 16,453,294.69