Finding the Third Proportional to 43,776 and 67,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,776 : 67,603.50 = 67,603.50 : x
2. Step 2: Convert to fraction form
   43,776/67,603.50 = 67,603.50/x
3. Step 3: Cross multiply
   43,776x = 67,603.50 × 67,603.50
4. Step 4: Simplify right side
   43,776x = 4,570,233,212.25
5. Step 5: Solve for x
   x = 4,570,233,212.25/43,776
6. Step 6: Final answer
   x = 104,400.43