Finding the Third Proportional to 97,067.50 and 198,840

Step by Step Solution

1. Step 1: Write the proportion equation
   97,067.50 : 198,840 = 198,840 : x
2. Step 2: Convert to fraction form
   97,067.50/198,840 = 198,840/x
3. Step 3: Cross multiply
   97,067.50x = 198,840 × 198,840
4. Step 4: Simplify right side
   97,067.50x = 39,537,345,600
5. Step 5: Solve for x
   x = 39,537,345,600/97,067.50
6. Step 6: Final answer
   x = 407,318.06