Finding the Third Proportional to 1,248,882 and 2,687,210

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,882 : 2,687,210 = 2,687,210 : x
2. Step 2: Convert to fraction form
   1,248,882/2,687,210 = 2,687,210/x
3. Step 3: Cross multiply
   1,248,882x = 2,687,210 × 2,687,210
4. Step 4: Simplify right side
   1,248,882x = 7,221,097,584,100
5. Step 5: Solve for x
   x = 7,221,097,584,100/1,248,882
6. Step 6: Final answer
   x = 5,782,049.53