Finding the Third Proportional to 518,815 and 1,136,045

Step by Step Solution

1. Step 1: Write the proportion equation
   518,815 : 1,136,045 = 1,136,045 : x
2. Step 2: Convert to fraction form
   518,815/1,136,045 = 1,136,045/x
3. Step 3: Cross multiply
   518,815x = 1,136,045 × 1,136,045
4. Step 4: Simplify right side
   518,815x = 1,290,598,242,025
5. Step 5: Solve for x
   x = 1,290,598,242,025/518,815
6. Step 6: Final answer
   x = 2,487,588.53