Finding the Third Proportional to 5,169,530 and 8,585,931

Step by Step Solution

1. Step 1: Write the proportion equation
   5,169,530 : 8,585,931 = 8,585,931 : x
2. Step 2: Convert to fraction form
   5,169,530/8,585,931 = 8,585,931/x
3. Step 3: Cross multiply
   5,169,530x = 8,585,931 × 8,585,931
4. Step 4: Simplify right side
   5,169,530x = 73,718,211,136,761
5. Step 5: Solve for x
   x = 73,718,211,136,761/5,169,530
6. Step 6: Final answer
   x = 14,260,137.99