Finding the Third Proportional to 676,222 and 1,427,890

Step by Step Solution

1. Step 1: Write the proportion equation
   676,222 : 1,427,890 = 1,427,890 : x
2. Step 2: Convert to fraction form
   676,222/1,427,890 = 1,427,890/x
3. Step 3: Cross multiply
   676,222x = 1,427,890 × 1,427,890
4. Step 4: Simplify right side
   676,222x = 2,038,869,852,100
5. Step 5: Solve for x
   x = 2,038,869,852,100/676,222
6. Step 6: Final answer
   x = 3,015,089.50