Finding the Third Proportional to 47,142 and 99,132

Step by Step Solution

1. Step 1: Write the proportion equation
   47,142 : 99,132 = 99,132 : x
2. Step 2: Convert to fraction form
   47,142/99,132 = 99,132/x
3. Step 3: Cross multiply
   47,142x = 99,132 × 99,132
4. Step 4: Simplify right side
   47,142x = 9,827,153,424
5. Step 5: Solve for x
   x = 9,827,153,424/47,142
6. Step 6: Final answer
   x = 208,458.56