Finding the Third Proportional to 236,199 and 358,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   236,199 : 358,672.50 = 358,672.50 : x
2. Step 2: Convert to fraction form
   236,199/358,672.50 = 358,672.50/x
3. Step 3: Cross multiply
   236,199x = 358,672.50 × 358,672.50
4. Step 4: Simplify right side
   236,199x = 128,645,962,256.25
5. Step 5: Solve for x
   x = 128,645,962,256.25/236,199
6. Step 6: Final answer
   x = 544,650.75