Finding the Third Proportional to 528,078 and 1,140,342

Step by Step Solution

1. Step 1: Write the proportion equation
   528,078 : 1,140,342 = 1,140,342 : x
2. Step 2: Convert to fraction form
   528,078/1,140,342 = 1,140,342/x
3. Step 3: Cross multiply
   528,078x = 1,140,342 × 1,140,342
4. Step 4: Simplify right side
   528,078x = 1,300,379,876,964
5. Step 5: Solve for x
   x = 1,300,379,876,964/528,078
6. Step 6: Final answer
   x = 2,462,476.90