Finding the Third Proportional to 1,539,834 and 3,177,231

Step by Step Solution

1. Step 1: Write the proportion equation
   1,539,834 : 3,177,231 = 3,177,231 : x
2. Step 2: Convert to fraction form
   1,539,834/3,177,231 = 3,177,231/x
3. Step 3: Cross multiply
   1,539,834x = 3,177,231 × 3,177,231
4. Step 4: Simplify right side
   1,539,834x = 10,094,796,827,361
5. Step 5: Solve for x
   x = 10,094,796,827,361/1,539,834
6. Step 6: Final answer
   x = 6,555,769.54