Finding the Third Proportional to 131,981,410 and 199,670,818

Step by Step Solution

1. Step 1: Write the proportion equation
   131,981,410 : 199,670,818 = 199,670,818 : x
2. Step 2: Convert to fraction form
   131,981,410/199,670,818 = 199,670,818/x
3. Step 3: Cross multiply
   131,981,410x = 199,670,818 × 199,670,818
4. Step 4: Simplify right side
   131,981,410x = 39,868,435,560,789,120
5. Step 5: Solve for x
   x = 39,868,435,560,789,120/131,981,410
6. Step 6: Final answer
   x = 302,076,145.12