Finding the Third Proportional to 1,306,318 and 1,921,042

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,318 : 1,921,042 = 1,921,042 : x
2. Step 2: Convert to fraction form
   1,306,318/1,921,042 = 1,921,042/x
3. Step 3: Cross multiply
   1,306,318x = 1,921,042 × 1,921,042
4. Step 4: Simplify right side
   1,306,318x = 3,690,402,365,764
5. Step 5: Solve for x
   x = 3,690,402,365,764/1,306,318
6. Step 6: Final answer
   x = 2,825,041.35