Finding the Third Proportional to 85,312.50 and 133,818

Step by Step Solution

1. Step 1: Write the proportion equation
   85,312.50 : 133,818 = 133,818 : x
2. Step 2: Convert to fraction form
   85,312.50/133,818 = 133,818/x
3. Step 3: Cross multiply
   85,312.50x = 133,818 × 133,818
4. Step 4: Simplify right side
   85,312.50x = 17,907,257,124
5. Step 5: Solve for x
   x = 17,907,257,124/85,312.50
6. Step 6: Final answer
   x = 209,901.92