Finding the Third Proportional to 68,455.50 and 102,402

Step by Step Solution

1. Step 1: Write the proportion equation
   68,455.50 : 102,402 = 102,402 : x
2. Step 2: Convert to fraction form
   68,455.50/102,402 = 102,402/x
3. Step 3: Cross multiply
   68,455.50x = 102,402 × 102,402
4. Step 4: Simplify right side
   68,455.50x = 10,486,169,604
5. Step 5: Solve for x
   x = 10,486,169,604/68,455.50
6. Step 6: Final answer
   x = 153,182.28