Finding the Third Proportional to 89,017,830 and 189,793,700

Step by Step Solution

1. Step 1: Write the proportion equation
   89,017,830 : 189,793,700 = 189,793,700 : x
2. Step 2: Convert to fraction form
   89,017,830/189,793,700 = 189,793,700/x
3. Step 3: Cross multiply
   89,017,830x = 189,793,700 × 189,793,700
4. Step 4: Simplify right side
   89,017,830x = 36,021,648,559,690,000
5. Step 5: Solve for x
   x = 36,021,648,559,690,000/89,017,830
6. Step 6: Final answer
   x = 404,656,556.55