Finding the Third Proportional to 45,990 and 69,254

Step by Step Solution

1. Step 1: Write the proportion equation
   45,990 : 69,254 = 69,254 : x
2. Step 2: Convert to fraction form
   45,990/69,254 = 69,254/x
3. Step 3: Cross multiply
   45,990x = 69,254 × 69,254
4. Step 4: Simplify right side
   45,990x = 4,796,116,516
5. Step 5: Solve for x
   x = 4,796,116,516/45,990
6. Step 6: Final answer
   x = 104,286.07