Finding the Third Proportional to 77,014.50 and 103,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,014.50 : 103,015.50 = 103,015.50 : x
2. Step 2: Convert to fraction form
   77,014.50/103,015.50 = 103,015.50/x
3. Step 3: Cross multiply
   77,014.50x = 103,015.50 × 103,015.50
4. Step 4: Simplify right side
   77,014.50x = 10,612,193,240.25
5. Step 5: Solve for x
   x = 10,612,193,240.25/77,014.50
6. Step 6: Final answer
   x = 137,794.74