Finding the Third Proportional to 5,818,982 and 12,645,196

Step by Step Solution

1. Step 1: Write the proportion equation
   5,818,982 : 12,645,196 = 12,645,196 : x
2. Step 2: Convert to fraction form
   5,818,982/12,645,196 = 12,645,196/x
3. Step 3: Cross multiply
   5,818,982x = 12,645,196 × 12,645,196
4. Step 4: Simplify right side
   5,818,982x = 159,900,981,878,416
5. Step 5: Solve for x
   x = 159,900,981,878,416/5,818,982
6. Step 6: Final answer
   x = 27,479,202.01