Finding the Third Proportional to 143,320.50 and 283,113

Step by Step Solution

1. Step 1: Write the proportion equation
   143,320.50 : 283,113 = 283,113 : x
2. Step 2: Convert to fraction form
   143,320.50/283,113 = 283,113/x
3. Step 3: Cross multiply
   143,320.50x = 283,113 × 283,113
4. Step 4: Simplify right side
   143,320.50x = 80,152,970,769
5. Step 5: Solve for x
   x = 80,152,970,769/143,320.50
6. Step 6: Final answer
   x = 559,256.85