Finding the Third Proportional to 29,311.88 and 45,415.69

Step by Step Solution

1. Step 1: Write the proportion equation
   29,311.88 : 45,415.69 = 45,415.69 : x
2. Step 2: Convert to fraction form
   29,311.88/45,415.69 = 45,415.69/x
3. Step 3: Cross multiply
   29,311.88x = 45,415.69 × 45,415.69
4. Step 4: Simplify right side
   29,311.88x = 2,062,584,671.10
5. Step 5: Solve for x
   x = 2,062,584,671.10/29,311.88
6. Step 6: Final answer
   x = 70,366.86