Finding the Third Proportional to 103,484 and 142,488

Step by Step Solution

1. Step 1: Write the proportion equation
   103,484 : 142,488 = 142,488 : x
2. Step 2: Convert to fraction form
   103,484/142,488 = 142,488/x
3. Step 3: Cross multiply
   103,484x = 142,488 × 142,488
4. Step 4: Simplify right side
   103,484x = 20,302,830,144
5. Step 5: Solve for x
   x = 20,302,830,144/103,484
6. Step 6: Final answer
   x = 196,192.94