Finding the Third Proportional to 141,924 and 309,048

Step by Step Solution

1. Step 1: Write the proportion equation
   141,924 : 309,048 = 309,048 : x
2. Step 2: Convert to fraction form
   141,924/309,048 = 309,048/x
3. Step 3: Cross multiply
   141,924x = 309,048 × 309,048
4. Step 4: Simplify right side
   141,924x = 95,510,666,304
5. Step 5: Solve for x
   x = 95,510,666,304/141,924
6. Step 6: Final answer
   x = 672,970.51