Finding the Third Proportional to 89,032.50 and 191,889

Step by Step Solution

1. Step 1: Write the proportion equation
   89,032.50 : 191,889 = 191,889 : x
2. Step 2: Convert to fraction form
   89,032.50/191,889 = 191,889/x
3. Step 3: Cross multiply
   89,032.50x = 191,889 × 191,889
4. Step 4: Simplify right side
   89,032.50x = 36,821,388,321
5. Step 5: Solve for x
   x = 36,821,388,321/89,032.50
6. Step 6: Final answer
   x = 413,572.44