Finding the Third Proportional to 538,136 and 1,170,856

Step by Step Solution

1. Step 1: Write the proportion equation
   538,136 : 1,170,856 = 1,170,856 : x
2. Step 2: Convert to fraction form
   538,136/1,170,856 = 1,170,856/x
3. Step 3: Cross multiply
   538,136x = 1,170,856 × 1,170,856
4. Step 4: Simplify right side
   538,136x = 1,370,903,772,736
5. Step 5: Solve for x
   x = 1,370,903,772,736/538,136
6. Step 6: Final answer
   x = 2,547,504.30