Finding the Third Proportional to 40,358 and 88,090

Step by Step Solution

1. Step 1: Write the proportion equation
   40,358 : 88,090 = 88,090 : x
2. Step 2: Convert to fraction form
   40,358/88,090 = 88,090/x
3. Step 3: Cross multiply
   40,358x = 88,090 × 88,090
4. Step 4: Simplify right side
   40,358x = 7,759,848,100
5. Step 5: Solve for x
   x = 7,759,848,100/40,358
6. Step 6: Final answer
   x = 192,275.34