Finding the Third Proportional to 156,850 and 336,468

Step by Step Solution

1. Step 1: Write the proportion equation
   156,850 : 336,468 = 336,468 : x
2. Step 2: Convert to fraction form
   156,850/336,468 = 336,468/x
3. Step 3: Cross multiply
   156,850x = 336,468 × 336,468
4. Step 4: Simplify right side
   156,850x = 113,210,715,024
5. Step 5: Solve for x
   x = 113,210,715,024/156,850
6. Step 6: Final answer
   x = 721,776.95