Finding the Third Proportional to 404,873,191,478 and 843,257,498,880

Step by Step Solution

1. Step 1: Write the proportion equation
   404,873,191,478 : 843,257,498,880 = 843,257,498,880 : x
2. Step 2: Convert to fraction form
   404,873,191,478/843,257,498,880 = 843,257,498,880/x
3. Step 3: Cross multiply
   404,873,191,478x = 843,257,498,880 × 843,257,498,880
4. Step 4: Simplify right side
   404,873,191,478x = 711,083,209,417,353,215,344,640
5. Step 5: Solve for x
   x = 711,083,209,417,353,215,344,640/404,873,191,478
6. Step 6: Final answer
   x = 1,756,310,924,962.77