Finding the Third Proportional to 20,877.75 and 45,916.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,877.75 : 45,916.88 = 45,916.88 : x
2. Step 2: Convert to fraction form
   20,877.75/45,916.88 = 45,916.88/x
3. Step 3: Cross multiply
   20,877.75x = 45,916.88 × 45,916.88
4. Step 4: Simplify right side
   20,877.75x = 2,108,359,409.77
5. Step 5: Solve for x
   x = 2,108,359,409.77/20,877.75
6. Step 6: Final answer
   x = 100,985.95