Finding the Third Proportional to 515,437 and 1,066,229

Step by Step Solution

1. Step 1: Write the proportion equation
   515,437 : 1,066,229 = 1,066,229 : x
2. Step 2: Convert to fraction form
   515,437/1,066,229 = 1,066,229/x
3. Step 3: Cross multiply
   515,437x = 1,066,229 × 1,066,229
4. Step 4: Simplify right side
   515,437x = 1,136,844,280,441
5. Step 5: Solve for x
   x = 1,136,844,280,441/515,437
6. Step 6: Final answer
   x = 2,205,593.08