Finding the Third Proportional to 65,437.50 and 100,647

Step by Step Solution

1. Step 1: Write the proportion equation
   65,437.50 : 100,647 = 100,647 : x
2. Step 2: Convert to fraction form
   65,437.50/100,647 = 100,647/x
3. Step 3: Cross multiply
   65,437.50x = 100,647 × 100,647
4. Step 4: Simplify right side
   65,437.50x = 10,129,818,609
5. Step 5: Solve for x
   x = 10,129,818,609/65,437.50
6. Step 6: Final answer
   x = 154,801.43