Finding the Third Proportional to 386,916.75 and 588,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   386,916.75 : 588,667.50 = 588,667.50 : x
2. Step 2: Convert to fraction form
   386,916.75/588,667.50 = 588,667.50/x
3. Step 3: Cross multiply
   386,916.75x = 588,667.50 × 588,667.50
4. Step 4: Simplify right side
   386,916.75x = 346,529,425,556.25
5. Step 5: Solve for x
   x = 346,529,425,556.25/386,916.75
6. Step 6: Final answer
   x = 895,617.53