Finding the Third Proportional to 30,609.77 and 47,299.89

Step by Step Solution

1. Step 1: Write the proportion equation
   30,609.77 : 47,299.89 = 47,299.89 : x
2. Step 2: Convert to fraction form
   30,609.77/47,299.89 = 47,299.89/x
3. Step 3: Cross multiply
   30,609.77x = 47,299.89 × 47,299.89
4. Step 4: Simplify right side
   30,609.77x = 2,237,279,283.61
5. Step 5: Solve for x
   x = 2,237,279,283.61/30,609.77
6. Step 6: Final answer
   x = 73,090.36