Finding the Third Proportional to 64,069.50 and 153,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,069.50 : 153,019.50 = 153,019.50 : x
2. Step 2: Convert to fraction form
   64,069.50/153,019.50 = 153,019.50/x
3. Step 3: Cross multiply
   64,069.50x = 153,019.50 × 153,019.50
4. Step 4: Simplify right side
   64,069.50x = 23,414,967,380.25
5. Step 5: Solve for x
   x = 23,414,967,380.25/64,069.50
6. Step 6: Final answer
   x = 365,462.00