Finding the Third Proportional to 21,060 and 45,886.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,060 : 45,886.50 = 45,886.50 : x
2. Step 2: Convert to fraction form
   21,060/45,886.50 = 45,886.50/x
3. Step 3: Cross multiply
   21,060x = 45,886.50 × 45,886.50
4. Step 4: Simplify right side
   21,060x = 2,105,570,882.25
5. Step 5: Solve for x
   x = 2,105,570,882.25/21,060
6. Step 6: Final answer
   x = 99,979.62