Finding the Third Proportional to 90,842,084 and 199,271,390

Step by Step Solution

1. Step 1: Write the proportion equation
   90,842,084 : 199,271,390 = 199,271,390 : x
2. Step 2: Convert to fraction form
   90,842,084/199,271,390 = 199,271,390/x
3. Step 3: Cross multiply
   90,842,084x = 199,271,390 × 199,271,390
4. Step 4: Simplify right side
   90,842,084x = 39,709,086,872,532,096
5. Step 5: Solve for x
   x = 39,709,086,872,532,096/90,842,084
6. Step 6: Final answer
   x = 437,122,147.84