Finding the Third Proportional to 89,988.50 and 196,927

Step by Step Solution

1. Step 1: Write the proportion equation
   89,988.50 : 196,927 = 196,927 : x
2. Step 2: Convert to fraction form
   89,988.50/196,927 = 196,927/x
3. Step 3: Cross multiply
   89,988.50x = 196,927 × 196,927
4. Step 4: Simplify right side
   89,988.50x = 38,780,243,329
5. Step 5: Solve for x
   x = 38,780,243,329/89,988.50
6. Step 6: Final answer
   x = 430,946.66