Finding the Third Proportional to 286,483.50 and 607,118.25

Step by Step Solution

1. Step 1: Write the proportion equation
   286,483.50 : 607,118.25 = 607,118.25 : x
2. Step 2: Convert to fraction form
   286,483.50/607,118.25 = 607,118.25/x
3. Step 3: Cross multiply
   286,483.50x = 607,118.25 × 607,118.25
4. Step 4: Simplify right side
   286,483.50x = 368,592,569,483.06
5. Step 5: Solve for x
   x = 368,592,569,483.06/286,483.50
6. Step 6: Final answer
   x = 1,286,610.12