Finding the Third Proportional to 156,740 and 337,047

Step by Step Solution

1. Step 1: Write the proportion equation
   156,740 : 337,047 = 337,047 : x
2. Step 2: Convert to fraction form
   156,740/337,047 = 337,047/x
3. Step 3: Cross multiply
   156,740x = 337,047 × 337,047
4. Step 4: Simplify right side
   156,740x = 113,600,680,209
5. Step 5: Solve for x
   x = 113,600,680,209/156,740
6. Step 6: Final answer
   x = 724,771.47