Finding the Third Proportional to 38,880.75 and 91,045.88

Step by Step Solution

1. Step 1: Write the proportion equation
   38,880.75 : 91,045.88 = 91,045.88 : x
2. Step 2: Convert to fraction form
   38,880.75/91,045.88 = 91,045.88/x
3. Step 3: Cross multiply
   38,880.75x = 91,045.88 × 91,045.88
4. Step 4: Simplify right side
   38,880.75x = 8,289,351,354.52
5. Step 5: Solve for x
   x = 8,289,351,354.52/38,880.75
6. Step 6: Final answer
   x = 213,199.37