Finding the Third Proportional to 89,757,720 and 193,687,200

Step by Step Solution

1. Step 1: Write the proportion equation
   89,757,720 : 193,687,200 = 193,687,200 : x
2. Step 2: Convert to fraction form
   89,757,720/193,687,200 = 193,687,200/x
3. Step 3: Cross multiply
   89,757,720x = 193,687,200 × 193,687,200
4. Step 4: Simplify right side
   89,757,720x = 37,514,731,443,840,000
5. Step 5: Solve for x
   x = 37,514,731,443,840,000/89,757,720
6. Step 6: Final answer
   x = 417,955,485.54