Finding the Third Proportional to 1,007,478 and 1,692,009

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,478 : 1,692,009 = 1,692,009 : x
2. Step 2: Convert to fraction form
   1,007,478/1,692,009 = 1,692,009/x
3. Step 3: Cross multiply
   1,007,478x = 1,692,009 × 1,692,009
4. Step 4: Simplify right side
   1,007,478x = 2,862,894,456,081
5. Step 5: Solve for x
   x = 2,862,894,456,081/1,007,478
6. Step 6: Final answer
   x = 2,841,644.64