Finding the Third Proportional to 1,515,524 and 3,316,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,524 : 3,316,456 = 3,316,456 : x
2. Step 2: Convert to fraction form
   1,515,524/3,316,456 = 3,316,456/x
3. Step 3: Cross multiply
   1,515,524x = 3,316,456 × 3,316,456
4. Step 4: Simplify right side
   1,515,524x = 10,998,880,399,936
5. Step 5: Solve for x
   x = 10,998,880,399,936/1,515,524
6. Step 6: Final answer
   x = 7,257,476.89