Finding the Third Proportional to 29,619 and 64,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,619 : 64,300.50 = 64,300.50 : x
2. Step 2: Convert to fraction form
   29,619/64,300.50 = 64,300.50/x
3. Step 3: Cross multiply
   29,619x = 64,300.50 × 64,300.50
4. Step 4: Simplify right side
   29,619x = 4,134,554,300.25
5. Step 5: Solve for x
   x = 4,134,554,300.25/29,619
6. Step 6: Final answer
   x = 139,591.29