Finding the Third Proportional to 66,784 and 104,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,784 : 104,005.50 = 104,005.50 : x
2. Step 2: Convert to fraction form
   66,784/104,005.50 = 104,005.50/x
3. Step 3: Cross multiply
   66,784x = 104,005.50 × 104,005.50
4. Step 4: Simplify right side
   66,784x = 10,817,144,030.25
5. Step 5: Solve for x
   x = 10,817,144,030.25/66,784
6. Step 6: Final answer
   x = 161,972.09