Finding the Third Proportional to 409,100 and 875,056

Step by Step Solution

1. Step 1: Write the proportion equation
   409,100 : 875,056 = 875,056 : x
2. Step 2: Convert to fraction form
   409,100/875,056 = 875,056/x
3. Step 3: Cross multiply
   409,100x = 875,056 × 875,056
4. Step 4: Simplify right side
   409,100x = 765,723,003,136
5. Step 5: Solve for x
   x = 765,723,003,136/409,100
6. Step 6: Final answer
   x = 1,871,725.75