Finding the Third Proportional to 196,870.50 and 429,828

Step by Step Solution

1. Step 1: Write the proportion equation
   196,870.50 : 429,828 = 429,828 : x
2. Step 2: Convert to fraction form
   196,870.50/429,828 = 429,828/x
3. Step 3: Cross multiply
   196,870.50x = 429,828 × 429,828
4. Step 4: Simplify right side
   196,870.50x = 184,752,109,584
5. Step 5: Solve for x
   x = 184,752,109,584/196,870.50
6. Step 6: Final answer
   x = 938,444.86