Finding the Third Proportional to 754,311 and 1,648,590

Step by Step Solution

1. Step 1: Write the proportion equation
   754,311 : 1,648,590 = 1,648,590 : x
2. Step 2: Convert to fraction form
   754,311/1,648,590 = 1,648,590/x
3. Step 3: Cross multiply
   754,311x = 1,648,590 × 1,648,590
4. Step 4: Simplify right side
   754,311x = 2,717,848,988,100
5. Step 5: Solve for x
   x = 2,717,848,988,100/754,311
6. Step 6: Final answer
   x = 3,603,088.10