Finding the Third Proportional to 72,277.31 and 105,948.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,277.31 : 105,948.42 = 105,948.42 : x
2. Step 2: Convert to fraction form
   72,277.31/105,948.42 = 105,948.42/x
3. Step 3: Cross multiply
   72,277.31x = 105,948.42 × 105,948.42
4. Step 4: Simplify right side
   72,277.31x = 11,225,068,097.80
5. Step 5: Solve for x
   x = 11,225,068,097.80/72,277.31
6. Step 6: Final answer
   x = 155,305.55