Finding the Third Proportional to 284,158.50 and 607,716

Step by Step Solution

1. Step 1: Write the proportion equation
   284,158.50 : 607,716 = 607,716 : x
2. Step 2: Convert to fraction form
   284,158.50/607,716 = 607,716/x
3. Step 3: Cross multiply
   284,158.50x = 607,716 × 607,716
4. Step 4: Simplify right side
   284,158.50x = 369,318,736,656
5. Step 5: Solve for x
   x = 369,318,736,656/284,158.50
6. Step 6: Final answer
   x = 1,299,692.73