Finding the Third Proportional to 766,674 and 1,680,970

Step by Step Solution

1. Step 1: Write the proportion equation
   766,674 : 1,680,970 = 1,680,970 : x
2. Step 2: Convert to fraction form
   766,674/1,680,970 = 1,680,970/x
3. Step 3: Cross multiply
   766,674x = 1,680,970 × 1,680,970
4. Step 4: Simplify right side
   766,674x = 2,825,660,140,900
5. Step 5: Solve for x
   x = 2,825,660,140,900/766,674
6. Step 6: Final answer
   x = 3,685,608.41