Finding the Third Proportional to 918,676.69 and 1,977,913.69

Step by Step Solution

1. Step 1: Write the proportion equation
   918,676.69 : 1,977,913.69 = 1,977,913.69 : x
2. Step 2: Convert to fraction form
   918,676.69/1,977,913.69 = 1,977,913.69/x
3. Step 3: Cross multiply
   918,676.69x = 1,977,913.69 × 1,977,913.69
4. Step 4: Simplify right side
   918,676.69x = 3,912,142,555,199.85
5. Step 5: Solve for x
   x = 3,912,142,555,199.85/918,676.69
6. Step 6: Final answer
   x = 4,258,454.15