Finding the Third Proportional to 45,470 and 99,200

Step by Step Solution

1. Step 1: Write the proportion equation
   45,470 : 99,200 = 99,200 : x
2. Step 2: Convert to fraction form
   45,470/99,200 = 99,200/x
3. Step 3: Cross multiply
   45,470x = 99,200 × 99,200
4. Step 4: Simplify right side
   45,470x = 9,840,640,000
5. Step 5: Solve for x
   x = 9,840,640,000/45,470
6. Step 6: Final answer
   x = 216,420.50