Finding the Third Proportional to 738,972 and 1,591,890

Step by Step Solution

1. Step 1: Write the proportion equation
   738,972 : 1,591,890 = 1,591,890 : x
2. Step 2: Convert to fraction form
   738,972/1,591,890 = 1,591,890/x
3. Step 3: Cross multiply
   738,972x = 1,591,890 × 1,591,890
4. Step 4: Simplify right side
   738,972x = 2,534,113,772,100
5. Step 5: Solve for x
   x = 2,534,113,772,100/738,972
6. Step 6: Final answer
   x = 3,429,241.94