Finding the Third Proportional to 42,364 and 91,287

Step by Step Solution

1. Step 1: Write the proportion equation
   42,364 : 91,287 = 91,287 : x
2. Step 2: Convert to fraction form
   42,364/91,287 = 91,287/x
3. Step 3: Cross multiply
   42,364x = 91,287 × 91,287
4. Step 4: Simplify right side
   42,364x = 8,333,316,369
5. Step 5: Solve for x
   x = 8,333,316,369/42,364
6. Step 6: Final answer
   x = 196,707.50