Finding the Third Proportional to 199,611 and 293,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,611 : 293,581.50 = 293,581.50 : x
2. Step 2: Convert to fraction form
   199,611/293,581.50 = 293,581.50/x
3. Step 3: Cross multiply
   199,611x = 293,581.50 × 293,581.50
4. Step 4: Simplify right side
   199,611x = 86,190,097,142.25
5. Step 5: Solve for x
   x = 86,190,097,142.25/199,611
6. Step 6: Final answer
   x = 431,790.32