Finding the Third Proportional to 159,817 and 344,541.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,817 : 344,541.50 = 344,541.50 : x
2. Step 2: Convert to fraction form
   159,817/344,541.50 = 344,541.50/x
3. Step 3: Cross multiply
   159,817x = 344,541.50 × 344,541.50
4. Step 4: Simplify right side
   159,817x = 118,708,845,222.25
5. Step 5: Solve for x
   x = 118,708,845,222.25/159,817
6. Step 6: Final answer
   x = 742,779.84