Finding the Third Proportional to 21,150 and 45,946.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,150 : 45,946.50 = 45,946.50 : x
2. Step 2: Convert to fraction form
   21,150/45,946.50 = 45,946.50/x
3. Step 3: Cross multiply
   21,150x = 45,946.50 × 45,946.50
4. Step 4: Simplify right side
   21,150x = 2,111,080,862.25
5. Step 5: Solve for x
   x = 2,111,080,862.25/21,150
6. Step 6: Final answer
   x = 99,814.70