Finding the Third Proportional to 2,289,340 and 4,977,262

Step by Step Solution

1. Step 1: Write the proportion equation
   2,289,340 : 4,977,262 = 4,977,262 : x
2. Step 2: Convert to fraction form
   2,289,340/4,977,262 = 4,977,262/x
3. Step 3: Cross multiply
   2,289,340x = 4,977,262 × 4,977,262
4. Step 4: Simplify right side
   2,289,340x = 24,773,137,016,644
5. Step 5: Solve for x
   x = 24,773,137,016,644/2,289,340
6. Step 6: Final answer
   x = 10,821,082.50