Finding the Third Proportional to 99,333 and 215,167

Step by Step Solution

1. Step 1: Write the proportion equation
   99,333 : 215,167 = 215,167 : x
2. Step 2: Convert to fraction form
   99,333/215,167 = 215,167/x
3. Step 3: Cross multiply
   99,333x = 215,167 × 215,167
4. Step 4: Simplify right side
   99,333x = 46,296,837,889
5. Step 5: Solve for x
   x = 46,296,837,889/99,333
6. Step 6: Final answer
   x = 466,077.11