Finding the Third Proportional to 690,103 and 1,508,145

Step by Step Solution

1. Step 1: Write the proportion equation
   690,103 : 1,508,145 = 1,508,145 : x
2. Step 2: Convert to fraction form
   690,103/1,508,145 = 1,508,145/x
3. Step 3: Cross multiply
   690,103x = 1,508,145 × 1,508,145
4. Step 4: Simplify right side
   690,103x = 2,274,501,341,025
5. Step 5: Solve for x
   x = 2,274,501,341,025/690,103
6. Step 6: Final answer
   x = 3,295,886.76