Finding the Third Proportional to 372,513 and 573,300.75

Step by Step Solution

1. Step 1: Write the proportion equation
   372,513 : 573,300.75 = 573,300.75 : x
2. Step 2: Convert to fraction form
   372,513/573,300.75 = 573,300.75/x
3. Step 3: Cross multiply
   372,513x = 573,300.75 × 573,300.75
4. Step 4: Simplify right side
   372,513x = 328,673,749,950.56
5. Step 5: Solve for x
   x = 328,673,749,950.56/372,513
6. Step 6: Final answer
   x = 882,314.85