Finding the Third Proportional to 617,893 and 1,353,890

Step by Step Solution

1. Step 1: Write the proportion equation
   617,893 : 1,353,890 = 1,353,890 : x
2. Step 2: Convert to fraction form
   617,893/1,353,890 = 1,353,890/x
3. Step 3: Cross multiply
   617,893x = 1,353,890 × 1,353,890
4. Step 4: Simplify right side
   617,893x = 1,833,018,132,100
5. Step 5: Solve for x
   x = 1,833,018,132,100/617,893
6. Step 6: Final answer
   x = 2,966,562.39