Finding the Third Proportional to 54,641.90 and 84,298.81

Step by Step Solution

1. Step 1: Write the proportion equation
   54,641.90 : 84,298.81 = 84,298.81 : x
2. Step 2: Convert to fraction form
   54,641.90/84,298.81 = 84,298.81/x
3. Step 3: Cross multiply
   54,641.90x = 84,298.81 × 84,298.81
4. Step 4: Simplify right side
   54,641.90x = 7,106,289,706.59
5. Step 5: Solve for x
   x = 7,106,289,706.59/54,641.90
6. Step 6: Final answer
   x = 130,052.03