Finding the Third Proportional to 142,000.17 and 303,947.86

Step by Step Solution

1. Step 1: Write the proportion equation
   142,000.17 : 303,947.86 = 303,947.86 : x
2. Step 2: Convert to fraction form
   142,000.17/303,947.86 = 303,947.86/x
3. Step 3: Cross multiply
   142,000.17x = 303,947.86 × 303,947.86
4. Step 4: Simplify right side
   142,000.17x = 92,384,301,218.64
5. Step 5: Solve for x
   x = 92,384,301,218.64/142,000.17
6. Step 6: Final answer
   x = 650,592.88