Finding the Third Proportional to 680,160 and 1,016,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   680,160 : 1,016,686.50 = 1,016,686.50 : x
2. Step 2: Convert to fraction form
   680,160/1,016,686.50 = 1,016,686.50/x
3. Step 3: Cross multiply
   680,160x = 1,016,686.50 × 1,016,686.50
4. Step 4: Simplify right side
   680,160x = 1,033,651,439,282.25
5. Step 5: Solve for x
   x = 1,033,651,439,282.25/680,160
6. Step 6: Final answer
   x = 1,519,718.07