Finding the Third Proportional to 286,599 and 607,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   286,599 : 607,333.50 = 607,333.50 : x
2. Step 2: Convert to fraction form
   286,599/607,333.50 = 607,333.50/x
3. Step 3: Cross multiply
   286,599x = 607,333.50 × 607,333.50
4. Step 4: Simplify right side
   286,599x = 368,853,980,222.25
5. Step 5: Solve for x
   x = 368,853,980,222.25/286,599
6. Step 6: Final answer
   x = 1,287,003.72