Finding the Third Proportional to 997,139.25 and 2,113,911

Step by Step Solution

1. Step 1: Write the proportion equation
   997,139.25 : 2,113,911 = 2,113,911 : x
2. Step 2: Convert to fraction form
   997,139.25/2,113,911 = 2,113,911/x
3. Step 3: Cross multiply
   997,139.25x = 2,113,911 × 2,113,911
4. Step 4: Simplify right side
   997,139.25x = 4,468,619,715,921
5. Step 5: Solve for x
   x = 4,468,619,715,921/997,139.25
6. Step 6: Final answer
   x = 4,481,440.00