Finding the Third Proportional to 64,900.50 and 140,817

Step by Step Solution

1. Step 1: Write the proportion equation
   64,900.50 : 140,817 = 140,817 : x
2. Step 2: Convert to fraction form
   64,900.50/140,817 = 140,817/x
3. Step 3: Cross multiply
   64,900.50x = 140,817 × 140,817
4. Step 4: Simplify right side
   64,900.50x = 19,829,427,489
5. Step 5: Solve for x
   x = 19,829,427,489/64,900.50
6. Step 6: Final answer
   x = 305,535.82