Finding the Third Proportional to 72,948.94 and 109,424.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,948.94 : 109,424.25 = 109,424.25 : x
2. Step 2: Convert to fraction form
   72,948.94/109,424.25 = 109,424.25/x
3. Step 3: Cross multiply
   72,948.94x = 109,424.25 × 109,424.25
4. Step 4: Simplify right side
   72,948.94x = 11,973,666,488.06
5. Step 5: Solve for x
   x = 11,973,666,488.06/72,948.94
6. Step 6: Final answer
   x = 164,137.64