Finding the Third Proportional to 5,870,859 and 8,267,448

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870,859 : 8,267,448 = 8,267,448 : x
2. Step 2: Convert to fraction form
   5,870,859/8,267,448 = 8,267,448/x
3. Step 3: Cross multiply
   5,870,859x = 8,267,448 × 8,267,448
4. Step 4: Simplify right side
   5,870,859x = 68,350,696,432,704
5. Step 5: Solve for x
   x = 68,350,696,432,704/5,870,859
6. Step 6: Final answer
   x = 11,642,367.23