Finding the Third Proportional to 37,906,826 and 55,438,581

Step by Step Solution

1. Step 1: Write the proportion equation
   37,906,826 : 55,438,581 = 55,438,581 : x
2. Step 2: Convert to fraction form
   37,906,826/55,438,581 = 55,438,581/x
3. Step 3: Cross multiply
   37,906,826x = 55,438,581 × 55,438,581
4. Step 4: Simplify right side
   37,906,826x = 3,073,436,263,293,561
5. Step 5: Solve for x
   x = 3,073,436,263,293,561/37,906,826
6. Step 6: Final answer
   x = 81,078,702.38