Finding the Third Proportional to 619,688 and 1,353,088

Step by Step Solution

1. Step 1: Write the proportion equation
   619,688 : 1,353,088 = 1,353,088 : x
2. Step 2: Convert to fraction form
   619,688/1,353,088 = 1,353,088/x
3. Step 3: Cross multiply
   619,688x = 1,353,088 × 1,353,088
4. Step 4: Simplify right side
   619,688x = 1,830,847,135,744
5. Step 5: Solve for x
   x = 1,830,847,135,744/619,688
6. Step 6: Final answer
   x = 2,954,466.01