Finding the Third Proportional to 45,470 and 99,871

Step by Step Solution

1. Step 1: Write the proportion equation
   45,470 : 99,871 = 99,871 : x
2. Step 2: Convert to fraction form
   45,470/99,871 = 99,871/x
3. Step 3: Cross multiply
   45,470x = 99,871 × 99,871
4. Step 4: Simplify right side
   45,470x = 9,974,216,641
5. Step 5: Solve for x
   x = 9,974,216,641/45,470
6. Step 6: Final answer
   x = 219,358.18