Finding the Third Proportional to 246,513 and 380,212.50

Step by Step Solution

1. Step 1: Write the proportion equation
   246,513 : 380,212.50 = 380,212.50 : x
2. Step 2: Convert to fraction form
   246,513/380,212.50 = 380,212.50/x
3. Step 3: Cross multiply
   246,513x = 380,212.50 × 380,212.50
4. Step 4: Simplify right side
   246,513x = 144,561,545,156.25
5. Step 5: Solve for x
   x = 144,561,545,156.25/246,513
6. Step 6: Final answer
   x = 586,425.65