Finding the Third Proportional to 385,962 and 830,988

Step by Step Solution

1. Step 1: Write the proportion equation
   385,962 : 830,988 = 830,988 : x
2. Step 2: Convert to fraction form
   385,962/830,988 = 830,988/x
3. Step 3: Cross multiply
   385,962x = 830,988 × 830,988
4. Step 4: Simplify right side
   385,962x = 690,541,056,144
5. Step 5: Solve for x
   x = 690,541,056,144/385,962
6. Step 6: Final answer
   x = 1,789,142.60