Finding the Third Proportional to 780,308 and 1,677,016

Step by Step Solution

1. Step 1: Write the proportion equation
   780,308 : 1,677,016 = 1,677,016 : x
2. Step 2: Convert to fraction form
   780,308/1,677,016 = 1,677,016/x
3. Step 3: Cross multiply
   780,308x = 1,677,016 × 1,677,016
4. Step 4: Simplify right side
   780,308x = 2,812,382,664,256
5. Step 5: Solve for x
   x = 2,812,382,664,256/780,308
6. Step 6: Final answer
   x = 3,604,195.61