Finding the Third Proportional to 58,782.50 and 91,049

Step by Step Solution

1. Step 1: Write the proportion equation
   58,782.50 : 91,049 = 91,049 : x
2. Step 2: Convert to fraction form
   58,782.50/91,049 = 91,049/x
3. Step 3: Cross multiply
   58,782.50x = 91,049 × 91,049
4. Step 4: Simplify right side
   58,782.50x = 8,289,920,401
5. Step 5: Solve for x
   x = 8,289,920,401/58,782.50
6. Step 6: Final answer
   x = 141,027.01