Finding the Third Proportional to 146,650.50 and 289,048.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,650.50 : 289,048.50 = 289,048.50 : x
2. Step 2: Convert to fraction form
   146,650.50/289,048.50 = 289,048.50/x
3. Step 3: Cross multiply
   146,650.50x = 289,048.50 × 289,048.50
4. Step 4: Simplify right side
   146,650.50x = 83,549,035,352.25
5. Step 5: Solve for x
   x = 83,549,035,352.25/146,650.50
6. Step 6: Final answer
   x = 569,715.31