Finding the Third Proportional to 1,788,365 and 2,689,878

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788,365 : 2,689,878 = 2,689,878 : x
2. Step 2: Convert to fraction form
   1,788,365/2,689,878 = 2,689,878/x
3. Step 3: Cross multiply
   1,788,365x = 2,689,878 × 2,689,878
4. Step 4: Simplify right side
   1,788,365x = 7,235,443,654,884
5. Step 5: Solve for x
   x = 7,235,443,654,884/1,788,365
6. Step 6: Final answer
   x = 4,045,842.80