Finding the Third Proportional to 156,637 and 341,507

Step by Step Solution

1. Step 1: Write the proportion equation
   156,637 : 341,507 = 341,507 : x
2. Step 2: Convert to fraction form
   156,637/341,507 = 341,507/x
3. Step 3: Cross multiply
   156,637x = 341,507 × 341,507
4. Step 4: Simplify right side
   156,637x = 116,627,031,049
5. Step 5: Solve for x
   x = 116,627,031,049/156,637
6. Step 6: Final answer
   x = 744,568.85