Finding the Third Proportional to 91,611,822 and 189,600,936

Step by Step Solution

1. Step 1: Write the proportion equation
   91,611,822 : 189,600,936 = 189,600,936 : x
2. Step 2: Convert to fraction form
   91,611,822/189,600,936 = 189,600,936/x
3. Step 3: Cross multiply
   91,611,822x = 189,600,936 × 189,600,936
4. Step 4: Simplify right side
   91,611,822x = 35,948,514,932,076,096
5. Step 5: Solve for x
   x = 35,948,514,932,076,096/91,611,822
6. Step 6: Final answer
   x = 392,400,392.74