Finding the Third Proportional to 45,492 and 99,240

Step by Step Solution

1. Step 1: Write the proportion equation
   45,492 : 99,240 = 99,240 : x
2. Step 2: Convert to fraction form
   45,492/99,240 = 99,240/x
3. Step 3: Cross multiply
   45,492x = 99,240 × 99,240
4. Step 4: Simplify right side
   45,492x = 9,848,577,600
5. Step 5: Solve for x
   x = 9,848,577,600/45,492
6. Step 6: Final answer
   x = 216,490.32