Finding the Third Proportional to 37,906,838 and 55,438,599

Step by Step Solution

1. Step 1: Write the proportion equation
   37,906,838 : 55,438,599 = 55,438,599 : x
2. Step 2: Convert to fraction form
   37,906,838/55,438,599 = 55,438,599/x
3. Step 3: Cross multiply
   37,906,838x = 55,438,599 × 55,438,599
4. Step 4: Simplify right side
   37,906,838x = 3,073,438,259,082,801
5. Step 5: Solve for x
   x = 3,073,438,259,082,801/37,906,838
6. Step 6: Final answer
   x = 81,078,729.36