Finding the Third Proportional to 69,193.50 and 88,415.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,193.50 : 88,415.50 = 88,415.50 : x
2. Step 2: Convert to fraction form
   69,193.50/88,415.50 = 88,415.50/x
3. Step 3: Cross multiply
   69,193.50x = 88,415.50 × 88,415.50
4. Step 4: Simplify right side
   69,193.50x = 7,817,300,640.25
5. Step 5: Solve for x
   x = 7,817,300,640.25/69,193.50
6. Step 6: Final answer
   x = 112,977.38