Finding the Third Proportional to 1,876,689 and 4,097,421

Step by Step Solution

1. Step 1: Write the proportion equation
   1,876,689 : 4,097,421 = 4,097,421 : x
2. Step 2: Convert to fraction form
   1,876,689/4,097,421 = 4,097,421/x
3. Step 3: Cross multiply
   1,876,689x = 4,097,421 × 4,097,421
4. Step 4: Simplify right side
   1,876,689x = 16,788,858,851,241
5. Step 5: Solve for x
   x = 16,788,858,851,241/1,876,689
6. Step 6: Final answer
   x = 8,945,999.50