Finding the Third Proportional to 66,205.69 and 100,630.69

Step by Step Solution

1. Step 1: Write the proportion equation
   66,205.69 : 100,630.69 = 100,630.69 : x
2. Step 2: Convert to fraction form
   66,205.69/100,630.69 = 100,630.69/x
3. Step 3: Cross multiply
   66,205.69x = 100,630.69 × 100,630.69
4. Step 4: Simplify right side
   66,205.69x = 10,126,535,266.72
5. Step 5: Solve for x
   x = 10,126,535,266.72/66,205.69
6. Step 6: Final answer
   x = 152,955.67