Finding the Third Proportional to 89,731.69 and 195,762.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,731.69 : 195,762.94 = 195,762.94 : x
2. Step 2: Convert to fraction form
   89,731.69/195,762.94 = 195,762.94/x
3. Step 3: Cross multiply
   89,731.69x = 195,762.94 × 195,762.94
4. Step 4: Simplify right side
   89,731.69x = 38,323,127,698.63
5. Step 5: Solve for x
   x = 38,323,127,698.63/89,731.69
6. Step 6: Final answer
   x = 427,085.78