Finding the Third Proportional to 78,448.50 and 117,848.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,448.50 : 117,848.25 = 117,848.25 : x
2. Step 2: Convert to fraction form
   78,448.50/117,848.25 = 117,848.25/x
3. Step 3: Cross multiply
   78,448.50x = 117,848.25 × 117,848.25
4. Step 4: Simplify right side
   78,448.50x = 13,888,210,028.06
5. Step 5: Solve for x
   x = 13,888,210,028.06/78,448.50
6. Step 6: Final answer
   x = 177,036.02