Finding the Third Proportional to 74,053.50 and 105,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,053.50 : 105,820.50 = 105,820.50 : x
2. Step 2: Convert to fraction form
   74,053.50/105,820.50 = 105,820.50/x
3. Step 3: Cross multiply
   74,053.50x = 105,820.50 × 105,820.50
4. Step 4: Simplify right side
   74,053.50x = 11,197,978,220.25
5. Step 5: Solve for x
   x = 11,197,978,220.25/74,053.50
6. Step 6: Final answer
   x = 151,214.71