Finding the Third Proportional to 766,878 and 1,613,061

Step by Step Solution

1. Step 1: Write the proportion equation
   766,878 : 1,613,061 = 1,613,061 : x
2. Step 2: Convert to fraction form
   766,878/1,613,061 = 1,613,061/x
3. Step 3: Cross multiply
   766,878x = 1,613,061 × 1,613,061
4. Step 4: Simplify right side
   766,878x = 2,601,965,789,721
5. Step 5: Solve for x
   x = 2,601,965,789,721/766,878
6. Step 6: Final answer
   x = 3,392,933.15