Finding the Third Proportional to 236,812.50 and 507,402

Step by Step Solution

1. Step 1: Write the proportion equation
   236,812.50 : 507,402 = 507,402 : x
2. Step 2: Convert to fraction form
   236,812.50/507,402 = 507,402/x
3. Step 3: Cross multiply
   236,812.50x = 507,402 × 507,402
4. Step 4: Simplify right side
   236,812.50x = 257,456,789,604
5. Step 5: Solve for x
   x = 257,456,789,604/236,812.50
6. Step 6: Final answer
   x = 1,087,175.68