Finding the Third Proportional to 184,549.50 and 289,128

Step by Step Solution

1. Step 1: Write the proportion equation
   184,549.50 : 289,128 = 289,128 : x
2. Step 2: Convert to fraction form
   184,549.50/289,128 = 289,128/x
3. Step 3: Cross multiply
   184,549.50x = 289,128 × 289,128
4. Step 4: Simplify right side
   184,549.50x = 83,595,000,384
5. Step 5: Solve for x
   x = 83,595,000,384/184,549.50
6. Step 6: Final answer
   x = 452,967.91