Finding the Third Proportional to 6,404,128 and 13,723,516

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404,128 : 13,723,516 = 13,723,516 : x
2. Step 2: Convert to fraction form
   6,404,128/13,723,516 = 13,723,516/x
3. Step 3: Cross multiply
   6,404,128x = 13,723,516 × 13,723,516
4. Step 4: Simplify right side
   6,404,128x = 188,334,891,402,256
5. Step 5: Solve for x
   x = 188,334,891,402,256/6,404,128
6. Step 6: Final answer
   x = 29,408,358.39