Finding the Third Proportional to 73,161 and 109,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,161 : 109,429.50 = 109,429.50 : x
2. Step 2: Convert to fraction form
   73,161/109,429.50 = 109,429.50/x
3. Step 3: Cross multiply
   73,161x = 109,429.50 × 109,429.50
4. Step 4: Simplify right side
   73,161x = 11,974,815,470.25
5. Step 5: Solve for x
   x = 11,974,815,470.25/73,161
6. Step 6: Final answer
   x = 163,677.58