Finding the Third Proportional to 689,074 and 1,010,242

Step by Step Solution

1. Step 1: Write the proportion equation
   689,074 : 1,010,242 = 1,010,242 : x
2. Step 2: Convert to fraction form
   689,074/1,010,242 = 1,010,242/x
3. Step 3: Cross multiply
   689,074x = 1,010,242 × 1,010,242
4. Step 4: Simplify right side
   689,074x = 1,020,588,898,564
5. Step 5: Solve for x
   x = 1,020,588,898,564/689,074
6. Step 6: Final answer
   x = 1,481,102.03