Finding the Third Proportional to 50,903.25 and 77,671.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,903.25 : 77,671.50 = 77,671.50 : x
2. Step 2: Convert to fraction form
   50,903.25/77,671.50 = 77,671.50/x
3. Step 3: Cross multiply
   50,903.25x = 77,671.50 × 77,671.50
4. Step 4: Simplify right side
   50,903.25x = 6,032,861,912.25
5. Step 5: Solve for x
   x = 6,032,861,912.25/50,903.25
6. Step 6: Final answer
   x = 118,516.24