Finding the Third Proportional to 6,908,578 and 10,836,168

Step by Step Solution

1. Step 1: Write the proportion equation
   6,908,578 : 10,836,168 = 10,836,168 : x
2. Step 2: Convert to fraction form
   6,908,578/10,836,168 = 10,836,168/x
3. Step 3: Cross multiply
   6,908,578x = 10,836,168 × 10,836,168
4. Step 4: Simplify right side
   6,908,578x = 117,422,536,924,224
5. Step 5: Solve for x
   x = 117,422,536,924,224/6,908,578
6. Step 6: Final answer
   x = 16,996,628.96