Finding the Third Proportional to 1,515,123 and 3,366,567

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,123 : 3,366,567 = 3,366,567 : x
2. Step 2: Convert to fraction form
   1,515,123/3,366,567 = 3,366,567/x
3. Step 3: Cross multiply
   1,515,123x = 3,366,567 × 3,366,567
4. Step 4: Simplify right side
   1,515,123x = 11,333,773,365,489
5. Step 5: Solve for x
   x = 11,333,773,365,489/1,515,123
6. Step 6: Final answer
   x = 7,480,431.20