Finding the Third Proportional to 45,388 and 63,485

Step by Step Solution

1. Step 1: Write the proportion equation
   45,388 : 63,485 = 63,485 : x
2. Step 2: Convert to fraction form
   45,388/63,485 = 63,485/x
3. Step 3: Cross multiply
   45,388x = 63,485 × 63,485
4. Step 4: Simplify right side
   45,388x = 4,030,345,225
5. Step 5: Solve for x
   x = 4,030,345,225/45,388
6. Step 6: Final answer
   x = 88,797.59