Finding the Third Proportional to 196,230 and 423,832.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,230 : 423,832.50 = 423,832.50 : x
2. Step 2: Convert to fraction form
   196,230/423,832.50 = 423,832.50/x
3. Step 3: Cross multiply
   196,230x = 423,832.50 × 423,832.50
4. Step 4: Simplify right side
   196,230x = 179,633,988,056.25
5. Step 5: Solve for x
   x = 179,633,988,056.25/196,230
6. Step 6: Final answer
   x = 915,425.72