Finding the Third Proportional to 156,099 and 335,890.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,099 : 335,890.50 = 335,890.50 : x
2. Step 2: Convert to fraction form
   156,099/335,890.50 = 335,890.50/x
3. Step 3: Cross multiply
   156,099x = 335,890.50 × 335,890.50
4. Step 4: Simplify right side
   156,099x = 112,822,427,990.25
5. Step 5: Solve for x
   x = 112,822,427,990.25/156,099
6. Step 6: Final answer
   x = 722,762.02