Finding the Third Proportional to 689,078 and 1,010,248

Step by Step Solution

1. Step 1: Write the proportion equation
   689,078 : 1,010,248 = 1,010,248 : x
2. Step 2: Convert to fraction form
   689,078/1,010,248 = 1,010,248/x
3. Step 3: Cross multiply
   689,078x = 1,010,248 × 1,010,248
4. Step 4: Simplify right side
   689,078x = 1,020,601,021,504
5. Step 5: Solve for x
   x = 1,020,601,021,504/689,078
6. Step 6: Final answer
   x = 1,481,111.02