Finding the Third Proportional to 99,126 and 141,300

Step by Step Solution

1. Step 1: Write the proportion equation
   99,126 : 141,300 = 141,300 : x
2. Step 2: Convert to fraction form
   99,126/141,300 = 141,300/x
3. Step 3: Cross multiply
   99,126x = 141,300 × 141,300
4. Step 4: Simplify right side
   99,126x = 19,965,690,000
5. Step 5: Solve for x
   x = 19,965,690,000/99,126
6. Step 6: Final answer
   x = 201,417.29