Finding the Third Proportional to 111,582 and 156,069

Step by Step Solution

1. Step 1: Write the proportion equation
   111,582 : 156,069 = 156,069 : x
2. Step 2: Convert to fraction form
   111,582/156,069 = 156,069/x
3. Step 3: Cross multiply
   111,582x = 156,069 × 156,069
4. Step 4: Simplify right side
   111,582x = 24,357,532,761
5. Step 5: Solve for x
   x = 24,357,532,761/111,582
6. Step 6: Final answer
   x = 218,292.67