Finding the Third Proportional to 697,418 and 1,077,672

Step by Step Solution

1. Step 1: Write the proportion equation
   697,418 : 1,077,672 = 1,077,672 : x
2. Step 2: Convert to fraction form
   697,418/1,077,672 = 1,077,672/x
3. Step 3: Cross multiply
   697,418x = 1,077,672 × 1,077,672
4. Step 4: Simplify right side
   697,418x = 1,161,376,939,584
5. Step 5: Solve for x
   x = 1,161,376,939,584/697,418
6. Step 6: Final answer
   x = 1,665,252.32