Finding the Third Proportional to 71,469 and 105,070.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,469 : 105,070.50 = 105,070.50 : x
2. Step 2: Convert to fraction form
   71,469/105,070.50 = 105,070.50/x
3. Step 3: Cross multiply
   71,469x = 105,070.50 × 105,070.50
4. Step 4: Simplify right side
   71,469x = 11,039,809,970.25
5. Step 5: Solve for x
   x = 11,039,809,970.25/71,469
6. Step 6: Final answer
   x = 154,469.91