Finding the Third Proportional to 978,505.31 and 1,496,821.78

Step by Step Solution

1. Step 1: Write the proportion equation
   978,505.31 : 1,496,821.78 = 1,496,821.78 : x
2. Step 2: Convert to fraction form
   978,505.31/1,496,821.78 = 1,496,821.78/x
3. Step 3: Cross multiply
   978,505.31x = 1,496,821.78 × 1,496,821.78
4. Step 4: Simplify right side
   978,505.31x = 2,240,475,444,824.42
5. Step 5: Solve for x
   x = 2,240,475,444,824.42/978,505.31
6. Step 6: Final answer
   x = 2,289,691.65