Finding the Third Proportional to 697,870 and 1,511,672

Step by Step Solution

1. Step 1: Write the proportion equation
   697,870 : 1,511,672 = 1,511,672 : x
2. Step 2: Convert to fraction form
   697,870/1,511,672 = 1,511,672/x
3. Step 3: Cross multiply
   697,870x = 1,511,672 × 1,511,672
4. Step 4: Simplify right side
   697,870x = 2,285,152,235,584
5. Step 5: Solve for x
   x = 2,285,152,235,584/697,870
6. Step 6: Final answer
   x = 3,274,466.93