Finding the Third Proportional to 118,822.50 and 264,210

Step by Step Solution

1. Step 1: Write the proportion equation
   118,822.50 : 264,210 = 264,210 : x
2. Step 2: Convert to fraction form
   118,822.50/264,210 = 264,210/x
3. Step 3: Cross multiply
   118,822.50x = 264,210 × 264,210
4. Step 4: Simplify right side
   118,822.50x = 69,806,924,100
5. Step 5: Solve for x
   x = 69,806,924,100/118,822.50
6. Step 6: Final answer
   x = 587,489.10