Finding the Third Proportional to 66,927.38 and 89,219.25

Step by Step Solution

1. Step 1: Write the proportion equation
   66,927.38 : 89,219.25 = 89,219.25 : x
2. Step 2: Convert to fraction form
   66,927.38/89,219.25 = 89,219.25/x
3. Step 3: Cross multiply
   66,927.38x = 89,219.25 × 89,219.25
4. Step 4: Simplify right side
   66,927.38x = 7,960,074,570.56
5. Step 5: Solve for x
   x = 7,960,074,570.56/66,927.38
6. Step 6: Final answer
   x = 118,936.00