Finding the Third Proportional to 42,296 and 90,080

Step by Step Solution

1. Step 1: Write the proportion equation
   42,296 : 90,080 = 90,080 : x
2. Step 2: Convert to fraction form
   42,296/90,080 = 90,080/x
3. Step 3: Cross multiply
   42,296x = 90,080 × 90,080
4. Step 4: Simplify right side
   42,296x = 8,114,406,400
5. Step 5: Solve for x
   x = 8,114,406,400/42,296
6. Step 6: Final answer
   x = 191,848.08