Finding the Third Proportional to 29,836.50 and 64,343.63

Step by Step Solution

1. Step 1: Write the proportion equation
   29,836.50 : 64,343.63 = 64,343.63 : x
2. Step 2: Convert to fraction form
   29,836.50/64,343.63 = 64,343.63/x
3. Step 3: Cross multiply
   29,836.50x = 64,343.63 × 64,343.63
4. Step 4: Simplify right side
   29,836.50x = 4,140,102,078.14
5. Step 5: Solve for x
   x = 4,140,102,078.14/29,836.50
6. Step 6: Final answer
   x = 138,759.64