Finding the Third Proportional to 45,869.63 and 72,977.63

Step by Step Solution

1. Step 1: Write the proportion equation
   45,869.63 : 72,977.63 = 72,977.63 : x
2. Step 2: Convert to fraction form
   45,869.63/72,977.63 = 72,977.63/x
3. Step 3: Cross multiply
   45,869.63x = 72,977.63 × 72,977.63
4. Step 4: Simplify right side
   45,869.63x = 5,325,733,750.64
5. Step 5: Solve for x
   x = 5,325,733,750.64/45,869.63
6. Step 6: Final answer
   x = 116,105.89