Finding the Third Proportional to 90,063 and 141,276

Step by Step Solution

1. Step 1: Write the proportion equation
   90,063 : 141,276 = 141,276 : x
2. Step 2: Convert to fraction form
   90,063/141,276 = 141,276/x
3. Step 3: Cross multiply
   90,063x = 141,276 × 141,276
4. Step 4: Simplify right side
   90,063x = 19,958,908,176
5. Step 5: Solve for x
   x = 19,958,908,176/90,063
6. Step 6: Final answer
   x = 221,610.52