Finding the Third Proportional to 66,776.50 and 103,994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,776.50 : 103,994.50 = 103,994.50 : x
2. Step 2: Convert to fraction form
   66,776.50/103,994.50 = 103,994.50/x
3. Step 3: Cross multiply
   66,776.50x = 103,994.50 × 103,994.50
4. Step 4: Simplify right side
   66,776.50x = 10,814,856,030.25
5. Step 5: Solve for x
   x = 10,814,856,030.25/66,776.50
6. Step 6: Final answer
   x = 161,956.02