Finding the Third Proportional to 42,349 and 90,322

Step by Step Solution

1. Step 1: Write the proportion equation
   42,349 : 90,322 = 90,322 : x
2. Step 2: Convert to fraction form
   42,349/90,322 = 90,322/x
3. Step 3: Cross multiply
   42,349x = 90,322 × 90,322
4. Step 4: Simplify right side
   42,349x = 8,158,063,684
5. Step 5: Solve for x
   x = 8,158,063,684/42,349
6. Step 6: Final answer
   x = 192,638.87