Finding the Third Proportional to 286,480.50 and 607,111.88

Step by Step Solution

1. Step 1: Write the proportion equation
   286,480.50 : 607,111.88 = 607,111.88 : x
2. Step 2: Convert to fraction form
   286,480.50/607,111.88 = 607,111.88/x
3. Step 3: Cross multiply
   286,480.50x = 607,111.88 × 607,111.88
4. Step 4: Simplify right side
   286,480.50x = 368,584,828,766.02
5. Step 5: Solve for x
   x = 368,584,828,766.02/286,480.50
6. Step 6: Final answer
   x = 1,286,596.57