Finding the Third Proportional to 21,435.75 and 45,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,435.75 : 45,877.50 = 45,877.50 : x
2. Step 2: Convert to fraction form
   21,435.75/45,877.50 = 45,877.50/x
3. Step 3: Cross multiply
   21,435.75x = 45,877.50 × 45,877.50
4. Step 4: Simplify right side
   21,435.75x = 2,104,745,006.25
5. Step 5: Solve for x
   x = 2,104,745,006.25/21,435.75
6. Step 6: Final answer
   x = 98,188.54