Finding the Third Proportional to 689,222 and 1,007,100

Step by Step Solution

1. Step 1: Write the proportion equation
   689,222 : 1,007,100 = 1,007,100 : x
2. Step 2: Convert to fraction form
   689,222/1,007,100 = 1,007,100/x
3. Step 3: Cross multiply
   689,222x = 1,007,100 × 1,007,100
4. Step 4: Simplify right side
   689,222x = 1,014,250,410,000
5. Step 5: Solve for x
   x = 1,014,250,410,000/689,222
6. Step 6: Final answer
   x = 1,471,587.40