Finding the Third Proportional to 619,448.50 and 1,371,553.50

Step by Step Solution

1. Step 1: Write the proportion equation
   619,448.50 : 1,371,553.50 = 1,371,553.50 : x
2. Step 2: Convert to fraction form
   619,448.50/1,371,553.50 = 1,371,553.50/x
3. Step 3: Cross multiply
   619,448.50x = 1,371,553.50 × 1,371,553.50
4. Step 4: Simplify right side
   619,448.50x = 1,881,159,003,362.25
5. Step 5: Solve for x
   x = 1,881,159,003,362.25/619,448.50
6. Step 6: Final answer
   x = 3,036,828.73