Finding the Third Proportional to 29,494.50 and 64,172.25

Step by Step Solution

1. Step 1: Write the proportion equation
   29,494.50 : 64,172.25 = 64,172.25 : x
2. Step 2: Convert to fraction form
   29,494.50/64,172.25 = 64,172.25/x
3. Step 3: Cross multiply
   29,494.50x = 64,172.25 × 64,172.25
4. Step 4: Simplify right side
   29,494.50x = 4,118,077,670.06
5. Step 5: Solve for x
   x = 4,118,077,670.06/29,494.50
6. Step 6: Final answer
   x = 139,621.88