Finding the Third Proportional to 524,617.50 and 810,111

Step by Step Solution

1. Step 1: Write the proportion equation
   524,617.50 : 810,111 = 810,111 : x
2. Step 2: Convert to fraction form
   524,617.50/810,111 = 810,111/x
3. Step 3: Cross multiply
   524,617.50x = 810,111 × 810,111
4. Step 4: Simplify right side
   524,617.50x = 656,279,832,321
5. Step 5: Solve for x
   x = 656,279,832,321/524,617.50
6. Step 6: Final answer
   x = 1,250,968.24