Finding the Third Proportional to 654,123 and 959,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   654,123 : 959,644.50 = 959,644.50 : x
2. Step 2: Convert to fraction form
   654,123/959,644.50 = 959,644.50/x
3. Step 3: Cross multiply
   654,123x = 959,644.50 × 959,644.50
4. Step 4: Simplify right side
   654,123x = 920,917,566,380.25
5. Step 5: Solve for x
   x = 920,917,566,380.25/654,123
6. Step 6: Final answer
   x = 1,407,866.05