Finding the Third Proportional to 77,751.75 and 110,111.25

Step by Step Solution

1. Step 1: Write the proportion equation
   77,751.75 : 110,111.25 = 110,111.25 : x
2. Step 2: Convert to fraction form
   77,751.75/110,111.25 = 110,111.25/x
3. Step 3: Cross multiply
   77,751.75x = 110,111.25 × 110,111.25
4. Step 4: Simplify right side
   77,751.75x = 12,124,487,376.56
5. Step 5: Solve for x
   x = 12,124,487,376.56/77,751.75
6. Step 6: Final answer
   x = 155,938.45