Finding the Third Proportional to 1,836,435 and 3,967,953

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836,435 : 3,967,953 = 3,967,953 : x
2. Step 2: Convert to fraction form
   1,836,435/3,967,953 = 3,967,953/x
3. Step 3: Cross multiply
   1,836,435x = 3,967,953 × 3,967,953
4. Step 4: Simplify right side
   1,836,435x = 15,744,651,010,209
5. Step 5: Solve for x
   x = 15,744,651,010,209/1,836,435
6. Step 6: Final answer
   x = 8,573,486.68