Finding the Third Proportional to 29,109 and 63,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,109 : 63,667.50 = 63,667.50 : x
2. Step 2: Convert to fraction form
   29,109/63,667.50 = 63,667.50/x
3. Step 3: Cross multiply
   29,109x = 63,667.50 × 63,667.50
4. Step 4: Simplify right side
   29,109x = 4,053,550,556.25
5. Step 5: Solve for x
   x = 4,053,550,556.25/29,109
6. Step 6: Final answer
   x = 139,254.20