Finding the Third Proportional to 715,398 and 1,516,088

Step by Step Solution

1. Step 1: Write the proportion equation
   715,398 : 1,516,088 = 1,516,088 : x
2. Step 2: Convert to fraction form
   715,398/1,516,088 = 1,516,088/x
3. Step 3: Cross multiply
   715,398x = 1,516,088 × 1,516,088
4. Step 4: Simplify right side
   715,398x = 2,298,522,823,744
5. Step 5: Solve for x
   x = 2,298,522,823,744/715,398
6. Step 6: Final answer
   x = 3,212,928.78