Finding the Third Proportional to 188,641 and 282,961.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,641 : 282,961.50 = 282,961.50 : x
2. Step 2: Convert to fraction form
   188,641/282,961.50 = 282,961.50/x
3. Step 3: Cross multiply
   188,641x = 282,961.50 × 282,961.50
4. Step 4: Simplify right side
   188,641x = 80,067,210,482.25
5. Step 5: Solve for x
   x = 80,067,210,482.25/188,641
6. Step 6: Final answer
   x = 424,442.25