Finding the Third Proportional to 156,798 and 337,140

Step by Step Solution

1. Step 1: Write the proportion equation
   156,798 : 337,140 = 337,140 : x
2. Step 2: Convert to fraction form
   156,798/337,140 = 337,140/x
3. Step 3: Cross multiply
   156,798x = 337,140 × 337,140
4. Step 4: Simplify right side
   156,798x = 113,663,379,600
5. Step 5: Solve for x
   x = 113,663,379,600/156,798
6. Step 6: Final answer
   x = 724,903.25