Finding the Third Proportional to 111,955 and 243,602

Step by Step Solution

1. Step 1: Write the proportion equation
   111,955 : 243,602 = 243,602 : x
2. Step 2: Convert to fraction form
   111,955/243,602 = 243,602/x
3. Step 3: Cross multiply
   111,955x = 243,602 × 243,602
4. Step 4: Simplify right side
   111,955x = 59,341,934,404
5. Step 5: Solve for x
   x = 59,341,934,404/111,955
6. Step 6: Final answer
   x = 530,051.67