Finding the Third Proportional to 30,562.17 and 64,443.09

Step by Step Solution

1. Step 1: Write the proportion equation
   30,562.17 : 64,443.09 = 64,443.09 : x
2. Step 2: Convert to fraction form
   30,562.17/64,443.09 = 64,443.09/x
3. Step 3: Cross multiply
   30,562.17x = 64,443.09 × 64,443.09
4. Step 4: Simplify right side
   30,562.17x = 4,152,912,332.07
5. Step 5: Solve for x
   x = 4,152,912,332.07/30,562.17
6. Step 6: Final answer
   x = 135,884.07