Finding the Third Proportional to 411,027 and 614,869.50

Step by Step Solution

1. Step 1: Write the proportion equation
   411,027 : 614,869.50 = 614,869.50 : x
2. Step 2: Convert to fraction form
   411,027/614,869.50 = 614,869.50/x
3. Step 3: Cross multiply
   411,027x = 614,869.50 × 614,869.50
4. Step 4: Simplify right side
   411,027x = 378,064,502,030.25
5. Step 5: Solve for x
   x = 378,064,502,030.25/411,027
6. Step 6: Final answer
   x = 919,804.54