Finding the Third Proportional to 236,403 and 354,847.50

Step by Step Solution

1. Step 1: Write the proportion equation
   236,403 : 354,847.50 = 354,847.50 : x
2. Step 2: Convert to fraction form
   236,403/354,847.50 = 354,847.50/x
3. Step 3: Cross multiply
   236,403x = 354,847.50 × 354,847.50
4. Step 4: Simplify right side
   236,403x = 125,916,748,256.25
5. Step 5: Solve for x
   x = 125,916,748,256.25/236,403
6. Step 6: Final answer
   x = 532,636.00