Finding the Third Proportional to 687,088 and 1,010,080

Step by Step Solution

1. Step 1: Write the proportion equation
   687,088 : 1,010,080 = 1,010,080 : x
2. Step 2: Convert to fraction form
   687,088/1,010,080 = 1,010,080/x
3. Step 3: Cross multiply
   687,088x = 1,010,080 × 1,010,080
4. Step 4: Simplify right side
   687,088x = 1,020,261,606,400
5. Step 5: Solve for x
   x = 1,020,261,606,400/687,088
6. Step 6: Final answer
   x = 1,484,906.75