Finding the Third Proportional to 168,798 and 353,188.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,798 : 353,188.50 = 353,188.50 : x
2. Step 2: Convert to fraction form
   168,798/353,188.50 = 353,188.50/x
3. Step 3: Cross multiply
   168,798x = 353,188.50 × 353,188.50
4. Step 4: Simplify right side
   168,798x = 124,742,116,532.25
5. Step 5: Solve for x
   x = 124,742,116,532.25/168,798
6. Step 6: Final answer
   x = 739,002.34