Finding the Third Proportional to 527,136 and 1,137,216

Step by Step Solution

1. Step 1: Write the proportion equation
   527,136 : 1,137,216 = 1,137,216 : x
2. Step 2: Convert to fraction form
   527,136/1,137,216 = 1,137,216/x
3. Step 3: Cross multiply
   527,136x = 1,137,216 × 1,137,216
4. Step 4: Simplify right side
   527,136x = 1,293,260,230,656
5. Step 5: Solve for x
   x = 1,293,260,230,656/527,136
6. Step 6: Final answer
   x = 2,453,371.10