Finding the Third Proportional to 72,922 and 156,213

Step by Step Solution

1. Step 1: Write the proportion equation
   72,922 : 156,213 = 156,213 : x
2. Step 2: Convert to fraction form
   72,922/156,213 = 156,213/x
3. Step 3: Cross multiply
   72,922x = 156,213 × 156,213
4. Step 4: Simplify right side
   72,922x = 24,402,501,369
5. Step 5: Solve for x
   x = 24,402,501,369/72,922
6. Step 6: Final answer
   x = 334,638.40