Finding the Third Proportional to 423,054.56 and 923,278.50

Step by Step Solution

1. Step 1: Write the proportion equation
   423,054.56 : 923,278.50 = 923,278.50 : x
2. Step 2: Convert to fraction form
   423,054.56/923,278.50 = 923,278.50/x
3. Step 3: Cross multiply
   423,054.56x = 923,278.50 × 923,278.50
4. Step 4: Simplify right side
   423,054.56x = 852,443,188,562.25
5. Step 5: Solve for x
   x = 852,443,188,562.25/423,054.56
6. Step 6: Final answer
   x = 2,014,972.21