Finding the Third Proportional to 413,947.50 and 607,293

Step by Step Solution

1. Step 1: Write the proportion equation
   413,947.50 : 607,293 = 607,293 : x
2. Step 2: Convert to fraction form
   413,947.50/607,293 = 607,293/x
3. Step 3: Cross multiply
   413,947.50x = 607,293 × 607,293
4. Step 4: Simplify right side
   413,947.50x = 368,804,787,849
5. Step 5: Solve for x
   x = 368,804,787,849/413,947.50
6. Step 6: Final answer
   x = 890,945.80