Finding the Third Proportional to 813,690 and 1,772,032

Step by Step Solution

1. Step 1: Write the proportion equation
   813,690 : 1,772,032 = 1,772,032 : x
2. Step 2: Convert to fraction form
   813,690/1,772,032 = 1,772,032/x
3. Step 3: Cross multiply
   813,690x = 1,772,032 × 1,772,032
4. Step 4: Simplify right side
   813,690x = 3,140,097,409,024
5. Step 5: Solve for x
   x = 3,140,097,409,024/813,690
6. Step 6: Final answer
   x = 3,859,083.20