Finding the Third Proportional to 29,622.50 and 64,985.25

Step by Step Solution

1. Step 1: Write the proportion equation
   29,622.50 : 64,985.25 = 64,985.25 : x
2. Step 2: Convert to fraction form
   29,622.50/64,985.25 = 64,985.25/x
3. Step 3: Cross multiply
   29,622.50x = 64,985.25 × 64,985.25
4. Step 4: Simplify right side
   29,622.50x = 4,223,082,717.56
5. Step 5: Solve for x
   x = 4,223,082,717.56/29,622.50
6. Step 6: Final answer
   x = 142,563.35