Finding the Third Proportional to 897,780 and 1,921,668

Step by Step Solution

1. Step 1: Write the proportion equation
   897,780 : 1,921,668 = 1,921,668 : x
2. Step 2: Convert to fraction form
   897,780/1,921,668 = 1,921,668/x
3. Step 3: Cross multiply
   897,780x = 1,921,668 × 1,921,668
4. Step 4: Simplify right side
   897,780x = 3,692,807,902,224
5. Step 5: Solve for x
   x = 3,692,807,902,224/897,780
6. Step 6: Final answer
   x = 4,113,265.95