Finding the Third Proportional to 52,820.44 and 81,916.03

Step by Step Solution

1. Step 1: Write the proportion equation
   52,820.44 : 81,916.03 = 81,916.03 : x
2. Step 2: Convert to fraction form
   52,820.44/81,916.03 = 81,916.03/x
3. Step 3: Cross multiply
   52,820.44x = 81,916.03 × 81,916.03
4. Step 4: Simplify right side
   52,820.44x = 6,710,236,175.75
5. Step 5: Solve for x
   x = 6,710,236,175.75/52,820.44
6. Step 6: Final answer
   x = 127,038.63