Finding the Third Proportional to 680,208 and 1,061,677

Step by Step Solution

1. Step 1: Write the proportion equation
   680,208 : 1,061,677 = 1,061,677 : x
2. Step 2: Convert to fraction form
   680,208/1,061,677 = 1,061,677/x
3. Step 3: Cross multiply
   680,208x = 1,061,677 × 1,061,677
4. Step 4: Simplify right side
   680,208x = 1,127,158,052,329
5. Step 5: Solve for x
   x = 1,127,158,052,329/680,208
6. Step 6: Final answer
   x = 1,657,078.50