Finding the Third Proportional to 512,698.50 and 1,123,812

Step by Step Solution

1. Step 1: Write the proportion equation
   512,698.50 : 1,123,812 = 1,123,812 : x
2. Step 2: Convert to fraction form
   512,698.50/1,123,812 = 1,123,812/x
3. Step 3: Cross multiply
   512,698.50x = 1,123,812 × 1,123,812
4. Step 4: Simplify right side
   512,698.50x = 1,262,953,411,344
5. Step 5: Solve for x
   x = 1,262,953,411,344/512,698.50
6. Step 6: Final answer
   x = 2,463,345.24