Finding the Third Proportional to 191,412 and 412,074

Step by Step Solution

1. Step 1: Write the proportion equation
   191,412 : 412,074 = 412,074 : x
2. Step 2: Convert to fraction form
   191,412/412,074 = 412,074/x
3. Step 3: Cross multiply
   191,412x = 412,074 × 412,074
4. Step 4: Simplify right side
   191,412x = 169,804,981,476
5. Step 5: Solve for x
   x = 169,804,981,476/191,412
6. Step 6: Final answer
   x = 887,117.74