Finding the Third Proportional to 193,295 and 290,300

Step by Step Solution

1. Step 1: Write the proportion equation
   193,295 : 290,300 = 290,300 : x
2. Step 2: Convert to fraction form
   193,295/290,300 = 290,300/x
3. Step 3: Cross multiply
   193,295x = 290,300 × 290,300
4. Step 4: Simplify right side
   193,295x = 84,274,090,000
5. Step 5: Solve for x
   x = 84,274,090,000/193,295
6. Step 6: Final answer
   x = 435,986.91