Finding the Third Proportional to 1,515,264 and 3,266,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,264 : 3,266,688 = 3,266,688 : x
2. Step 2: Convert to fraction form
   1,515,264/3,266,688 = 3,266,688/x
3. Step 3: Cross multiply
   1,515,264x = 3,266,688 × 3,266,688
4. Step 4: Simplify right side
   1,515,264x = 10,671,250,489,344
5. Step 5: Solve for x
   x = 10,671,250,489,344/1,515,264
6. Step 6: Final answer
   x = 7,042,502.49