Finding the Third Proportional to 65,818.50 and 102,100.75

Step by Step Solution

1. Step 1: Write the proportion equation
   65,818.50 : 102,100.75 = 102,100.75 : x
2. Step 2: Convert to fraction form
   65,818.50/102,100.75 = 102,100.75/x
3. Step 3: Cross multiply
   65,818.50x = 102,100.75 × 102,100.75
4. Step 4: Simplify right side
   65,818.50x = 10,424,563,150.56
5. Step 5: Solve for x
   x = 10,424,563,150.56/65,818.50
6. Step 6: Final answer
   x = 158,383.48