Finding the Third Proportional to 37,906,832 and 55,438,590

Step by Step Solution

1. Step 1: Write the proportion equation
   37,906,832 : 55,438,590 = 55,438,590 : x
2. Step 2: Convert to fraction form
   37,906,832/55,438,590 = 55,438,590/x
3. Step 3: Cross multiply
   37,906,832x = 55,438,590 × 55,438,590
4. Step 4: Simplify right side
   37,906,832x = 3,073,437,261,188,100
5. Step 5: Solve for x
   x = 3,073,437,261,188,100/37,906,832
6. Step 6: Final answer
   x = 81,078,715.87