Finding the Third Proportional to 141,800.63 and 299,092.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,800.63 : 299,092.50 = 299,092.50 : x
2. Step 2: Convert to fraction form
   141,800.63/299,092.50 = 299,092.50/x
3. Step 3: Cross multiply
   141,800.63x = 299,092.50 × 299,092.50
4. Step 4: Simplify right side
   141,800.63x = 89,456,323,556.25
5. Step 5: Solve for x
   x = 89,456,323,556.25/141,800.63
6. Step 6: Final answer
   x = 630,859.87