Finding the Third Proportional to 643,820 and 1,019,232

Step by Step Solution

1. Step 1: Write the proportion equation
   643,820 : 1,019,232 = 1,019,232 : x
2. Step 2: Convert to fraction form
   643,820/1,019,232 = 1,019,232/x
3. Step 3: Cross multiply
   643,820x = 1,019,232 × 1,019,232
4. Step 4: Simplify right side
   643,820x = 1,038,833,869,824
5. Step 5: Solve for x
   x = 1,038,833,869,824/643,820
6. Step 6: Final answer
   x = 1,613,547.06