Finding the Third Proportional to 388,820.25 and 588,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   388,820.25 : 588,667.50 = 588,667.50 : x
2. Step 2: Convert to fraction form
   388,820.25/588,667.50 = 588,667.50/x
3. Step 3: Cross multiply
   388,820.25x = 588,667.50 × 588,667.50
4. Step 4: Simplify right side
   388,820.25x = 346,529,425,556.25
5. Step 5: Solve for x
   x = 346,529,425,556.25/388,820.25
6. Step 6: Final answer
   x = 891,232.97