Finding the Third Proportional to 54,345 and 73,126.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,345 : 73,126.50 = 73,126.50 : x
2. Step 2: Convert to fraction form
   54,345/73,126.50 = 73,126.50/x
3. Step 3: Cross multiply
   54,345x = 73,126.50 × 73,126.50
4. Step 4: Simplify right side
   54,345x = 5,347,485,002.25
5. Step 5: Solve for x
   x = 5,347,485,002.25/54,345
6. Step 6: Final answer
   x = 98,398.84