Finding the Third Proportional to 345,253.50 and 753,237

Step by Step Solution

1. Step 1: Write the proportion equation
   345,253.50 : 753,237 = 753,237 : x
2. Step 2: Convert to fraction form
   345,253.50/753,237 = 753,237/x
3. Step 3: Cross multiply
   345,253.50x = 753,237 × 753,237
4. Step 4: Simplify right side
   345,253.50x = 567,365,978,169
5. Step 5: Solve for x
   x = 567,365,978,169/345,253.50
6. Step 6: Final answer
   x = 1,643,331.58