Finding the Third Proportional to 141,390 and 292,621.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,390 : 292,621.50 = 292,621.50 : x
2. Step 2: Convert to fraction form
   141,390/292,621.50 = 292,621.50/x
3. Step 3: Cross multiply
   141,390x = 292,621.50 × 292,621.50
4. Step 4: Simplify right side
   141,390x = 85,627,342,262.25
5. Step 5: Solve for x
   x = 85,627,342,262.25/141,390
6. Step 6: Final answer
   x = 605,611.02