Finding the Third Proportional to 29,976.84 and 64,756.69

Step by Step Solution

1. Step 1: Write the proportion equation
   29,976.84 : 64,756.69 = 64,756.69 : x
2. Step 2: Convert to fraction form
   29,976.84/64,756.69 = 64,756.69/x
3. Step 3: Cross multiply
   29,976.84x = 64,756.69 × 64,756.69
4. Step 4: Simplify right side
   29,976.84x = 4,193,428,575.97
5. Step 5: Solve for x
   x = 4,193,428,575.97/29,976.84
6. Step 6: Final answer
   x = 139,888.93