Finding the Third Proportional to 156,620 and 341,468

Step by Step Solution

1. Step 1: Write the proportion equation
   156,620 : 341,468 = 341,468 : x
2. Step 2: Convert to fraction form
   156,620/341,468 = 341,468/x
3. Step 3: Cross multiply
   156,620x = 341,468 × 341,468
4. Step 4: Simplify right side
   156,620x = 116,600,395,024
5. Step 5: Solve for x
   x = 116,600,395,024/156,620
6. Step 6: Final answer
   x = 744,479.60