Finding the Third Proportional to 489,429 and 1,005,210

Step by Step Solution

1. Step 1: Write the proportion equation
   489,429 : 1,005,210 = 1,005,210 : x
2. Step 2: Convert to fraction form
   489,429/1,005,210 = 1,005,210/x
3. Step 3: Cross multiply
   489,429x = 1,005,210 × 1,005,210
4. Step 4: Simplify right side
   489,429x = 1,010,447,144,100
5. Step 5: Solve for x
   x = 1,010,447,144,100/489,429
6. Step 6: Final answer
   x = 2,064,542.85