Finding the Third Proportional to 69,228 and 103,726.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,228 : 103,726.50 = 103,726.50 : x
2. Step 2: Convert to fraction form
   69,228/103,726.50 = 103,726.50/x
3. Step 3: Cross multiply
   69,228x = 103,726.50 × 103,726.50
4. Step 4: Simplify right side
   69,228x = 10,759,186,802.25
5. Step 5: Solve for x
   x = 10,759,186,802.25/69,228
6. Step 6: Final answer
   x = 155,416.69