Finding the Third Proportional to 42,247,772 and 89,034,936

Step by Step Solution

1. Step 1: Write the proportion equation
   42,247,772 : 89,034,936 = 89,034,936 : x
2. Step 2: Convert to fraction form
   42,247,772/89,034,936 = 89,034,936/x
3. Step 3: Cross multiply
   42,247,772x = 89,034,936 × 89,034,936
4. Step 4: Simplify right side
   42,247,772x = 7,927,219,828,524,096
5. Step 5: Solve for x
   x = 7,927,219,828,524,096/42,247,772
6. Step 6: Final answer
   x = 187,636,399.58