Finding the Third Proportional to 98,779.50 and 208,494

Step by Step Solution

1. Step 1: Write the proportion equation
   98,779.50 : 208,494 = 208,494 : x
2. Step 2: Convert to fraction form
   98,779.50/208,494 = 208,494/x
3. Step 3: Cross multiply
   98,779.50x = 208,494 × 208,494
4. Step 4: Simplify right side
   98,779.50x = 43,469,748,036
5. Step 5: Solve for x
   x = 43,469,748,036/98,779.50
6. Step 6: Final answer
   x = 440,068.52