Finding the Third Proportional to 42,290 and 91,076

Step by Step Solution

1. Step 1: Write the proportion equation
   42,290 : 91,076 = 91,076 : x
2. Step 2: Convert to fraction form
   42,290/91,076 = 91,076/x
3. Step 3: Cross multiply
   42,290x = 91,076 × 91,076
4. Step 4: Simplify right side
   42,290x = 8,294,837,776
5. Step 5: Solve for x
   x = 8,294,837,776/42,290
6. Step 6: Final answer
   x = 196,141.82