Finding the Third Proportional to 69,756 and 104,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,756 : 104,359.50 = 104,359.50 : x
2. Step 2: Convert to fraction form
   69,756/104,359.50 = 104,359.50/x
3. Step 3: Cross multiply
   69,756x = 104,359.50 × 104,359.50
4. Step 4: Simplify right side
   69,756x = 10,890,905,240.25
5. Step 5: Solve for x
   x = 10,890,905,240.25/69,756
6. Step 6: Final answer
   x = 156,128.58