Finding the Third Proportional to 65,702 and 105,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,702 : 105,387.50 = 105,387.50 : x
2. Step 2: Convert to fraction form
   65,702/105,387.50 = 105,387.50/x
3. Step 3: Cross multiply
   65,702x = 105,387.50 × 105,387.50
4. Step 4: Simplify right side
   65,702x = 11,106,525,156.25
5. Step 5: Solve for x
   x = 11,106,525,156.25/65,702
6. Step 6: Final answer
   x = 169,043.94