Finding the Third Proportional to 518,913 and 1,136,196

Step by Step Solution

1. Step 1: Write the proportion equation
   518,913 : 1,136,196 = 1,136,196 : x
2. Step 2: Convert to fraction form
   518,913/1,136,196 = 1,136,196/x
3. Step 3: Cross multiply
   518,913x = 1,136,196 × 1,136,196
4. Step 4: Simplify right side
   518,913x = 1,290,941,350,416
5. Step 5: Solve for x
   x = 1,290,941,350,416/518,913
6. Step 6: Final answer
   x = 2,487,779.94