Finding the Third Proportional to 1,678,396 and 2,531,528

Step by Step Solution

1. Step 1: Write the proportion equation
   1,678,396 : 2,531,528 = 2,531,528 : x
2. Step 2: Convert to fraction form
   1,678,396/2,531,528 = 2,531,528/x
3. Step 3: Cross multiply
   1,678,396x = 2,531,528 × 2,531,528
4. Step 4: Simplify right side
   1,678,396x = 6,408,634,014,784
5. Step 5: Solve for x
   x = 6,408,634,014,784/1,678,396
6. Step 6: Final answer
   x = 3,818,308.68