Finding the Third Proportional to 813,972 and 1,772,589

Step by Step Solution

1. Step 1: Write the proportion equation
   813,972 : 1,772,589 = 1,772,589 : x
2. Step 2: Convert to fraction form
   813,972/1,772,589 = 1,772,589/x
3. Step 3: Cross multiply
   813,972x = 1,772,589 × 1,772,589
4. Step 4: Simplify right side
   813,972x = 3,142,071,762,921
5. Step 5: Solve for x
   x = 3,142,071,762,921/813,972
6. Step 6: Final answer
   x = 3,860,171.80