Finding the Third Proportional to 66,406.50 and 101,628

Step by Step Solution

1. Step 1: Write the proportion equation
   66,406.50 : 101,628 = 101,628 : x
2. Step 2: Convert to fraction form
   66,406.50/101,628 = 101,628/x
3. Step 3: Cross multiply
   66,406.50x = 101,628 × 101,628
4. Step 4: Simplify right side
   66,406.50x = 10,328,250,384
5. Step 5: Solve for x
   x = 10,328,250,384/66,406.50
6. Step 6: Final answer
   x = 155,530.71