Finding the Third Proportional to 31,240.69 and 64,562.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,240.69 : 64,562.06 = 64,562.06 : x
2. Step 2: Convert to fraction form
   31,240.69/64,562.06 = 64,562.06/x
3. Step 3: Cross multiply
   31,240.69x = 64,562.06 × 64,562.06
4. Step 4: Simplify right side
   31,240.69x = 4,168,259,914.25
5. Step 5: Solve for x
   x = 4,168,259,914.25/31,240.69
6. Step 6: Final answer
   x = 133,424.08