Finding the Third Proportional to 386,550 and 830,262

Step by Step Solution

1. Step 1: Write the proportion equation
   386,550 : 830,262 = 830,262 : x
2. Step 2: Convert to fraction form
   386,550/830,262 = 830,262/x
3. Step 3: Cross multiply
   386,550x = 830,262 × 830,262
4. Step 4: Simplify right side
   386,550x = 689,334,988,644
5. Step 5: Solve for x
   x = 689,334,988,644/386,550
6. Step 6: Final answer
   x = 1,783,300.97