Finding the Third Proportional to 535,478.50 and 1,115,345

Step by Step Solution

1. Step 1: Write the proportion equation
   535,478.50 : 1,115,345 = 1,115,345 : x
2. Step 2: Convert to fraction form
   535,478.50/1,115,345 = 1,115,345/x
3. Step 3: Cross multiply
   535,478.50x = 1,115,345 × 1,115,345
4. Step 4: Simplify right side
   535,478.50x = 1,243,994,469,025
5. Step 5: Solve for x
   x = 1,243,994,469,025/535,478.50
6. Step 6: Final answer
   x = 2,323,145.50