Finding the Third Proportional to 897,720 and 1,919,854.50

Step by Step Solution

1. Step 1: Write the proportion equation
   897,720 : 1,919,854.50 = 1,919,854.50 : x
2. Step 2: Convert to fraction form
   897,720/1,919,854.50 = 1,919,854.50/x
3. Step 3: Cross multiply
   897,720x = 1,919,854.50 × 1,919,854.50
4. Step 4: Simplify right side
   897,720x = 3,685,841,301,170.25
5. Step 5: Solve for x
   x = 3,685,841,301,170.25/897,720
6. Step 6: Final answer
   x = 4,105,780.53