Finding the Third Proportional to 21,179.81 and 45,700.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,179.81 : 45,700.88 = 45,700.88 : x
2. Step 2: Convert to fraction form
   21,179.81/45,700.88 = 45,700.88/x
3. Step 3: Cross multiply
   21,179.81x = 45,700.88 × 45,700.88
4. Step 4: Simplify right side
   21,179.81x = 2,088,569,975.77
5. Step 5: Solve for x
   x = 2,088,569,975.77/21,179.81
6. Step 6: Final answer
   x = 98,611.35