Finding the Third Proportional to 693,138 and 1,516,722

Step by Step Solution

1. Step 1: Write the proportion equation
   693,138 : 1,516,722 = 1,516,722 : x
2. Step 2: Convert to fraction form
   693,138/1,516,722 = 1,516,722/x
3. Step 3: Cross multiply
   693,138x = 1,516,722 × 1,516,722
4. Step 4: Simplify right side
   693,138x = 2,300,445,625,284
5. Step 5: Solve for x
   x = 2,300,445,625,284/693,138
6. Step 6: Final answer
   x = 3,318,885.45