Finding the Third Proportional to 31,041.56 and 64,893.66

Step by Step Solution

1. Step 1: Write the proportion equation
   31,041.56 : 64,893.66 = 64,893.66 : x
2. Step 2: Convert to fraction form
   31,041.56/64,893.66 = 64,893.66/x
3. Step 3: Cross multiply
   31,041.56x = 64,893.66 × 64,893.66
4. Step 4: Simplify right side
   31,041.56x = 4,211,186,621.49
5. Step 5: Solve for x
   x = 4,211,186,621.49/31,041.56
6. Step 6: Final answer
   x = 135,662.84