Finding the Third Proportional to 673,478 and 1,009,229

Step by Step Solution

1. Step 1: Write the proportion equation
   673,478 : 1,009,229 = 1,009,229 : x
2. Step 2: Convert to fraction form
   673,478/1,009,229 = 1,009,229/x
3. Step 3: Cross multiply
   673,478x = 1,009,229 × 1,009,229
4. Step 4: Simplify right side
   673,478x = 1,018,543,174,441
5. Step 5: Solve for x
   x = 1,018,543,174,441/673,478
6. Step 6: Final answer
   x = 1,512,362.95