Finding the Third Proportional to 988,329 and 2,157,900

Step by Step Solution

1. Step 1: Write the proportion equation
   988,329 : 2,157,900 = 2,157,900 : x
2. Step 2: Convert to fraction form
   988,329/2,157,900 = 2,157,900/x
3. Step 3: Cross multiply
   988,329x = 2,157,900 × 2,157,900
4. Step 4: Simplify right side
   988,329x = 4,656,532,410,000
5. Step 5: Solve for x
   x = 4,656,532,410,000/988,329
6. Step 6: Final answer
   x = 4,711,520.57