Finding the Third Proportional to 712,236 and 1,681,302

Step by Step Solution

1. Step 1: Write the proportion equation
   712,236 : 1,681,302 = 1,681,302 : x
2. Step 2: Convert to fraction form
   712,236/1,681,302 = 1,681,302/x
3. Step 3: Cross multiply
   712,236x = 1,681,302 × 1,681,302
4. Step 4: Simplify right side
   712,236x = 2,826,776,415,204
5. Step 5: Solve for x
   x = 2,826,776,415,204/712,236
6. Step 6: Final answer
   x = 3,968,876.07