Finding the Third Proportional to 116,499.50 and 237,889

Step by Step Solution

1. Step 1: Write the proportion equation
   116,499.50 : 237,889 = 237,889 : x
2. Step 2: Convert to fraction form
   116,499.50/237,889 = 237,889/x
3. Step 3: Cross multiply
   116,499.50x = 237,889 × 237,889
4. Step 4: Simplify right side
   116,499.50x = 56,591,176,321
5. Step 5: Solve for x
   x = 56,591,176,321/116,499.50
6. Step 6: Final answer
   x = 485,763.25