Finding the Third Proportional to 163,090.50 and 353,322

Step by Step Solution

1. Step 1: Write the proportion equation
   163,090.50 : 353,322 = 353,322 : x
2. Step 2: Convert to fraction form
   163,090.50/353,322 = 353,322/x
3. Step 3: Cross multiply
   163,090.50x = 353,322 × 353,322
4. Step 4: Simplify right side
   163,090.50x = 124,836,435,684
5. Step 5: Solve for x
   x = 124,836,435,684/163,090.50
6. Step 6: Final answer
   x = 765,442.72