Finding the Third Proportional to 196,597.50 and 429,992.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,597.50 : 429,992.50 = 429,992.50 : x
2. Step 2: Convert to fraction form
   196,597.50/429,992.50 = 429,992.50/x
3. Step 3: Cross multiply
   196,597.50x = 429,992.50 × 429,992.50
4. Step 4: Simplify right side
   196,597.50x = 184,893,550,056.25
5. Step 5: Solve for x
   x = 184,893,550,056.25/196,597.50
6. Step 6: Final answer
   x = 940,467.45