Finding the Third Proportional to 417,051,243 and 898,689,510

Step by Step Solution

1. Step 1: Write the proportion equation
   417,051,243 : 898,689,510 = 898,689,510 : x
2. Step 2: Convert to fraction form
   417,051,243/898,689,510 = 898,689,510/x
3. Step 3: Cross multiply
   417,051,243x = 898,689,510 × 898,689,510
4. Step 4: Simplify right side
   417,051,243x = 807,642,835,384,040,064
5. Step 5: Solve for x
   x = 807,642,835,384,040,064/417,051,243
6. Step 6: Final answer
   x = 1,936,555,396.82