Finding the Third Proportional to 1,515,481 and 3,316,364

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,481 : 3,316,364 = 3,316,364 : x
2. Step 2: Convert to fraction form
   1,515,481/3,316,364 = 3,316,364/x
3. Step 3: Cross multiply
   1,515,481x = 3,316,364 × 3,316,364
4. Step 4: Simplify right side
   1,515,481x = 10,998,270,180,496
5. Step 5: Solve for x
   x = 10,998,270,180,496/1,515,481
6. Step 6: Final answer
   x = 7,257,280.15