Finding the Third Proportional to 483,123 and 656,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   483,123 : 656,068.50 = 656,068.50 : x
2. Step 2: Convert to fraction form
   483,123/656,068.50 = 656,068.50/x
3. Step 3: Cross multiply
   483,123x = 656,068.50 × 656,068.50
4. Step 4: Simplify right side
   483,123x = 430,425,876,692.25
5. Step 5: Solve for x
   x = 430,425,876,692.25/483,123
6. Step 6: Final answer
   x = 890,924.00