Finding the Third Proportional to 308,490.50 and 466,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   308,490.50 : 466,016.50 = 466,016.50 : x
2. Step 2: Convert to fraction form
   308,490.50/466,016.50 = 466,016.50/x
3. Step 3: Cross multiply
   308,490.50x = 466,016.50 × 466,016.50
4. Step 4: Simplify right side
   308,490.50x = 217,171,378,272.25
5. Step 5: Solve for x
   x = 217,171,378,272.25/308,490.50
6. Step 6: Final answer
   x = 703,980.77