Finding the Third Proportional to 116,623 and 243,602

Step by Step Solution

1. Step 1: Write the proportion equation
   116,623 : 243,602 = 243,602 : x
2. Step 2: Convert to fraction form
   116,623/243,602 = 243,602/x
3. Step 3: Cross multiply
   116,623x = 243,602 × 243,602
4. Step 4: Simplify right side
   116,623x = 59,341,934,404
5. Step 5: Solve for x
   x = 59,341,934,404/116,623
6. Step 6: Final answer
   x = 508,835.60