Finding the Third Proportional to 414,460 and 623,228.50

Step by Step Solution

1. Step 1: Write the proportion equation
   414,460 : 623,228.50 = 623,228.50 : x
2. Step 2: Convert to fraction form
   414,460/623,228.50 = 623,228.50/x
3. Step 3: Cross multiply
   414,460x = 623,228.50 × 623,228.50
4. Step 4: Simplify right side
   414,460x = 388,413,763,212.25
5. Step 5: Solve for x
   x = 388,413,763,212.25/414,460
6. Step 6: Final answer
   x = 937,156.21