Finding the Third Proportional to 697,410 and 1,077,660

Step by Step Solution

1. Step 1: Write the proportion equation
   697,410 : 1,077,660 = 1,077,660 : x
2. Step 2: Convert to fraction form
   697,410/1,077,660 = 1,077,660/x
3. Step 3: Cross multiply
   697,410x = 1,077,660 × 1,077,660
4. Step 4: Simplify right side
   697,410x = 1,161,351,075,600
5. Step 5: Solve for x
   x = 1,161,351,075,600/697,410
6. Step 6: Final answer
   x = 1,665,234.33