Finding the Third Proportional to 41,990.13 and 64,205.25

Step by Step Solution

1. Step 1: Write the proportion equation
   41,990.13 : 64,205.25 = 64,205.25 : x
2. Step 2: Convert to fraction form
   41,990.13/64,205.25 = 64,205.25/x
3. Step 3: Cross multiply
   41,990.13x = 64,205.25 × 64,205.25
4. Step 4: Simplify right side
   41,990.13x = 4,122,314,127.56
5. Step 5: Solve for x
   x = 4,122,314,127.56/41,990.13
6. Step 6: Final answer
   x = 98,173.42