Finding the Third Proportional to 69,705.56 and 105,211.41

Step by Step Solution

1. Step 1: Write the proportion equation
   69,705.56 : 105,211.41 = 105,211.41 : x
2. Step 2: Convert to fraction form
   69,705.56/105,211.41 = 105,211.41/x
3. Step 3: Cross multiply
   69,705.56x = 105,211.41 × 105,211.41
4. Step 4: Simplify right side
   69,705.56x = 11,069,440,005.10
5. Step 5: Solve for x
   x = 11,069,440,005.10/69,705.56
6. Step 6: Final answer
   x = 158,802.82