Finding the Third Proportional to 190,602 and 414,403.88

Step by Step Solution

1. Step 1: Write the proportion equation
   190,602 : 414,403.88 = 414,403.88 : x
2. Step 2: Convert to fraction form
   190,602/414,403.88 = 414,403.88/x
3. Step 3: Cross multiply
   190,602x = 414,403.88 × 414,403.88
4. Step 4: Simplify right side
   190,602x = 171,730,571,615.02
5. Step 5: Solve for x
   x = 171,730,571,615.02/190,602
6. Step 6: Final answer
   x = 900,990.40