Finding the Third Proportional to 21,117.38 and 45,484.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,117.38 : 45,484.88 = 45,484.88 : x
2. Step 2: Convert to fraction form
   21,117.38/45,484.88 = 45,484.88/x
3. Step 3: Cross multiply
   21,117.38x = 45,484.88 × 45,484.88
4. Step 4: Simplify right side
   21,117.38x = 2,068,873,853.77
5. Step 5: Solve for x
   x = 2,068,873,853.77/21,117.38
6. Step 6: Final answer
   x = 97,970.22