Finding the Third Proportional to 140,103 and 299,887.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,103 : 299,887.50 = 299,887.50 : x
2. Step 2: Convert to fraction form
   140,103/299,887.50 = 299,887.50/x
3. Step 3: Cross multiply
   140,103x = 299,887.50 × 299,887.50
4. Step 4: Simplify right side
   140,103x = 89,932,512,656.25
5. Step 5: Solve for x
   x = 89,932,512,656.25/140,103
6. Step 6: Final answer
   x = 641,902.83