Finding the Third Proportional to 90,439 and 133,046

Step by Step Solution

1. Step 1: Write the proportion equation
   90,439 : 133,046 = 133,046 : x
2. Step 2: Convert to fraction form
   90,439/133,046 = 133,046/x
3. Step 3: Cross multiply
   90,439x = 133,046 × 133,046
4. Step 4: Simplify right side
   90,439x = 17,701,238,116
5. Step 5: Solve for x
   x = 17,701,238,116/90,439
6. Step 6: Final answer
   x = 195,725.72