Finding the Third Proportional to 237,499.50 and 355,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   237,499.50 : 355,063.50 = 355,063.50 : x
2. Step 2: Convert to fraction form
   237,499.50/355,063.50 = 355,063.50/x
3. Step 3: Cross multiply
   237,499.50x = 355,063.50 × 355,063.50
4. Step 4: Simplify right side
   237,499.50x = 126,070,089,032.25
5. Step 5: Solve for x
   x = 126,070,089,032.25/237,499.50
6. Step 6: Final answer
   x = 530,822.55