Finding the Third Proportional to 300,003.75 and 653,931.56

Step by Step Solution

1. Step 1: Write the proportion equation
   300,003.75 : 653,931.56 = 653,931.56 : x
2. Step 2: Convert to fraction form
   300,003.75/653,931.56 = 653,931.56/x
3. Step 3: Cross multiply
   300,003.75x = 653,931.56 × 653,931.56
4. Step 4: Simplify right side
   300,003.75x = 427,626,488,433.69
5. Step 5: Solve for x
   x = 427,626,488,433.69/300,003.75
6. Step 6: Final answer
   x = 1,425,403.81