Finding the Third Proportional to 29,817 and 64,810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,817 : 64,810.50 = 64,810.50 : x
2. Step 2: Convert to fraction form
   29,817/64,810.50 = 64,810.50/x
3. Step 3: Cross multiply
   29,817x = 64,810.50 × 64,810.50
4. Step 4: Simplify right side
   29,817x = 4,200,400,910.25
5. Step 5: Solve for x
   x = 4,200,400,910.25/29,817
6. Step 6: Final answer
   x = 140,872.69