Finding the Third Proportional to 413,943 and 607,285.50

Step by Step Solution

1. Step 1: Write the proportion equation
   413,943 : 607,285.50 = 607,285.50 : x
2. Step 2: Convert to fraction form
   413,943/607,285.50 = 607,285.50/x
3. Step 3: Cross multiply
   413,943x = 607,285.50 × 607,285.50
4. Step 4: Simplify right side
   413,943x = 368,795,678,510.25
5. Step 5: Solve for x
   x = 368,795,678,510.25/413,943
6. Step 6: Final answer
   x = 890,933.48