Finding the Third Proportional to 156,699 and 238,722.75

Step by Step Solution

1. Step 1: Write the proportion equation
   156,699 : 238,722.75 = 238,722.75 : x
2. Step 2: Convert to fraction form
   156,699/238,722.75 = 238,722.75/x
3. Step 3: Cross multiply
   156,699x = 238,722.75 × 238,722.75
4. Step 4: Simplify right side
   156,699x = 56,988,551,367.56
5. Step 5: Solve for x
   x = 56,988,551,367.56/156,699
6. Step 6: Final answer
   x = 363,681.65