Finding the Third Proportional to 117,321 and 168,123

Step by Step Solution

1. Step 1: Write the proportion equation
   117,321 : 168,123 = 168,123 : x
2. Step 2: Convert to fraction form
   117,321/168,123 = 168,123/x
3. Step 3: Cross multiply
   117,321x = 168,123 × 168,123
4. Step 4: Simplify right side
   117,321x = 28,265,343,129
5. Step 5: Solve for x
   x = 28,265,343,129/117,321
6. Step 6: Final answer
   x = 240,923.14