Finding the Third Proportional to 196,893 and 429,422.63

Step by Step Solution

1. Step 1: Write the proportion equation
   196,893 : 429,422.63 = 429,422.63 : x
2. Step 2: Convert to fraction form
   196,893/429,422.63 = 429,422.63/x
3. Step 3: Cross multiply
   196,893x = 429,422.63 × 429,422.63
4. Step 4: Simplify right side
   196,893x = 184,403,790,861.89
5. Step 5: Solve for x
   x = 184,403,790,861.89/196,893
6. Step 6: Final answer
   x = 936,568.55