Finding the Third Proportional to 88,308 and 133,290

Step by Step Solution

1. Step 1: Write the proportion equation
   88,308 : 133,290 = 133,290 : x
2. Step 2: Convert to fraction form
   88,308/133,290 = 133,290/x
3. Step 3: Cross multiply
   88,308x = 133,290 × 133,290
4. Step 4: Simplify right side
   88,308x = 17,766,224,100
5. Step 5: Solve for x
   x = 17,766,224,100/88,308
6. Step 6: Final answer
   x = 201,184.76