Finding the Third Proportional to 66,207.75 and 94,579.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,207.75 : 94,579.50 = 94,579.50 : x
2. Step 2: Convert to fraction form
   66,207.75/94,579.50 = 94,579.50/x
3. Step 3: Cross multiply
   66,207.75x = 94,579.50 × 94,579.50
4. Step 4: Simplify right side
   66,207.75x = 8,945,281,820.25
5. Step 5: Solve for x
   x = 8,945,281,820.25/66,207.75
6. Step 6: Final answer
   x = 135,109.29