Finding the Third Proportional to 81,790,144 and 175,071,920

Step by Step Solution

1. Step 1: Write the proportion equation
   81,790,144 : 175,071,920 = 175,071,920 : x
2. Step 2: Convert to fraction form
   81,790,144/175,071,920 = 175,071,920/x
3. Step 3: Cross multiply
   81,790,144x = 175,071,920 × 175,071,920
4. Step 4: Simplify right side
   81,790,144x = 30,650,177,172,486,400
5. Step 5: Solve for x
   x = 30,650,177,172,486,400/81,790,144
6. Step 6: Final answer
   x = 374,741,694.70