Finding the Third Proportional to 55,249.50 and 84,973.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,249.50 : 84,973.50 = 84,973.50 : x
2. Step 2: Convert to fraction form
   55,249.50/84,973.50 = 84,973.50/x
3. Step 3: Cross multiply
   55,249.50x = 84,973.50 × 84,973.50
4. Step 4: Simplify right side
   55,249.50x = 7,220,495,702.25
5. Step 5: Solve for x
   x = 7,220,495,702.25/55,249.50
6. Step 6: Final answer
   x = 130,688.89