Finding the Third Proportional to 491,188 and 1,085,611

Step by Step Solution

1. Step 1: Write the proportion equation
   491,188 : 1,085,611 = 1,085,611 : x
2. Step 2: Convert to fraction form
   491,188/1,085,611 = 1,085,611/x
3. Step 3: Cross multiply
   491,188x = 1,085,611 × 1,085,611
4. Step 4: Simplify right side
   491,188x = 1,178,551,243,321
5. Step 5: Solve for x
   x = 1,178,551,243,321/491,188
6. Step 6: Final answer
   x = 2,399,389.32