Finding the Third Proportional to 1,515,136 and 3,366,592

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,136 : 3,366,592 = 3,366,592 : x
2. Step 2: Convert to fraction form
   1,515,136/3,366,592 = 3,366,592/x
3. Step 3: Cross multiply
   1,515,136x = 3,366,592 × 3,366,592
4. Step 4: Simplify right side
   1,515,136x = 11,333,941,694,464
5. Step 5: Solve for x
   x = 11,333,941,694,464/1,515,136
6. Step 6: Final answer
   x = 7,480,478.12