Finding the Third Proportional to 55,959 and 84,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,959 : 84,478.50 = 84,478.50 : x
2. Step 2: Convert to fraction form
   55,959/84,478.50 = 84,478.50/x
3. Step 3: Cross multiply
   55,959x = 84,478.50 × 84,478.50
4. Step 4: Simplify right side
   55,959x = 7,136,616,962.25
5. Step 5: Solve for x
   x = 7,136,616,962.25/55,959
6. Step 6: Final answer
   x = 127,532.96