Finding the Third Proportional to 3,508,256 and 7,538,680

Step by Step Solution

1. Step 1: Write the proportion equation
   3,508,256 : 7,538,680 = 7,538,680 : x
2. Step 2: Convert to fraction form
   3,508,256/7,538,680 = 7,538,680/x
3. Step 3: Cross multiply
   3,508,256x = 7,538,680 × 7,538,680
4. Step 4: Simplify right side
   3,508,256x = 56,831,696,142,400
5. Step 5: Solve for x
   x = 56,831,696,142,400/3,508,256
6. Step 6: Final answer
   x = 16,199,415.36