Finding the Third Proportional to 21,060.50 and 45,385

Step by Step Solution

1. Step 1: Write the proportion equation
   21,060.50 : 45,385 = 45,385 : x
2. Step 2: Convert to fraction form
   21,060.50/45,385 = 45,385/x
3. Step 3: Cross multiply
   21,060.50x = 45,385 × 45,385
4. Step 4: Simplify right side
   21,060.50x = 2,059,798,225
5. Step 5: Solve for x
   x = 2,059,798,225/21,060.50
6. Step 6: Final answer
   x = 97,803.86