Finding the Third Proportional to 680,370 and 1,485,078

Step by Step Solution

1. Step 1: Write the proportion equation
   680,370 : 1,485,078 = 1,485,078 : x
2. Step 2: Convert to fraction form
   680,370/1,485,078 = 1,485,078/x
3. Step 3: Cross multiply
   680,370x = 1,485,078 × 1,485,078
4. Step 4: Simplify right side
   680,370x = 2,205,456,666,084
5. Step 5: Solve for x
   x = 2,205,456,666,084/680,370
6. Step 6: Final answer
   x = 3,241,554.84