Finding the Third Proportional to 8,403,724 and 13,037,238

Step by Step Solution

1. Step 1: Write the proportion equation
   8,403,724 : 13,037,238 = 13,037,238 : x
2. Step 2: Convert to fraction form
   8,403,724/13,037,238 = 13,037,238/x
3. Step 3: Cross multiply
   8,403,724x = 13,037,238 × 13,037,238
4. Step 4: Simplify right side
   8,403,724x = 169,969,574,668,644
5. Step 5: Solve for x
   x = 169,969,574,668,644/8,403,724
6. Step 6: Final answer
   x = 20,225,506.53