Finding the Third Proportional to 67,897.69 and 99,765.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67,897.69 : 99,765.56 = 99,765.56 : x
2. Step 2: Convert to fraction form
   67,897.69/99,765.56 = 99,765.56/x
3. Step 3: Cross multiply
   67,897.69x = 99,765.56 × 99,765.56
4. Step 4: Simplify right side
   67,897.69x = 9,953,167,460.94
5. Step 5: Solve for x
   x = 9,953,167,460.94/67,897.69
6. Step 6: Final answer
   x = 146,590.67