Finding the Third Proportional to 56,994.75 and 85,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,994.75 : 85,171.50 = 85,171.50 : x
2. Step 2: Convert to fraction form
   56,994.75/85,171.50 = 85,171.50/x
3. Step 3: Cross multiply
   56,994.75x = 85,171.50 × 85,171.50
4. Step 4: Simplify right side
   56,994.75x = 7,254,184,412.25
5. Step 5: Solve for x
   x = 7,254,184,412.25/56,994.75
6. Step 6: Final answer
   x = 127,278.12