Finding the Third Proportional to 76,431 and 101,935.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,431 : 101,935.50 = 101,935.50 : x
2. Step 2: Convert to fraction form
   76,431/101,935.50 = 101,935.50/x
3. Step 3: Cross multiply
   76,431x = 101,935.50 × 101,935.50
4. Step 4: Simplify right side
   76,431x = 10,390,846,160.25
5. Step 5: Solve for x
   x = 10,390,846,160.25/76,431
6. Step 6: Final answer
   x = 135,950.68