Finding the Third Proportional to 48,601.69 and 77,276.53

Step by Step Solution

1. Step 1: Write the proportion equation
   48,601.69 : 77,276.53 = 77,276.53 : x
2. Step 2: Convert to fraction form
   48,601.69/77,276.53 = 77,276.53/x
3. Step 3: Cross multiply
   48,601.69x = 77,276.53 × 77,276.53
4. Step 4: Simplify right side
   48,601.69x = 5,971,662,282.03
5. Step 5: Solve for x
   x = 5,971,662,282.03/48,601.69
6. Step 6: Final answer
   x = 122,869.44