Finding the Third Proportional to 49,402.50 and 76,611

Step by Step Solution

1. Step 1: Write the proportion equation
   49,402.50 : 76,611 = 76,611 : x
2. Step 2: Convert to fraction form
   49,402.50/76,611 = 76,611/x
3. Step 3: Cross multiply
   49,402.50x = 76,611 × 76,611
4. Step 4: Simplify right side
   49,402.50x = 5,869,245,321
5. Step 5: Solve for x
   x = 5,869,245,321/49,402.50
6. Step 6: Final answer
   x = 118,804.62