Finding the Third Proportional to 60,546 and 131,990.63

Step by Step Solution

1. Step 1: Write the proportion equation
   60,546 : 131,990.63 = 131,990.63 : x
2. Step 2: Convert to fraction form
   60,546/131,990.63 = 131,990.63/x
3. Step 3: Cross multiply
   60,546x = 131,990.63 × 131,990.63
4. Step 4: Simplify right side
   60,546x = 17,421,525,087.89
5. Step 5: Solve for x
   x = 17,421,525,087.89/60,546
6. Step 6: Final answer
   x = 287,740.31