Finding the Third Proportional to 77,071.50 and 104,611.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,071.50 : 104,611.50 = 104,611.50 : x
2. Step 2: Convert to fraction form
   77,071.50/104,611.50 = 104,611.50/x
3. Step 3: Cross multiply
   77,071.50x = 104,611.50 × 104,611.50
4. Step 4: Simplify right side
   77,071.50x = 10,943,565,932.25
5. Step 5: Solve for x
   x = 10,943,565,932.25/77,071.50
6. Step 6: Final answer
   x = 141,992.38