Finding the Third Proportional to 37,906,840 and 55,438,602

Step by Step Solution

1. Step 1: Write the proportion equation
   37,906,840 : 55,438,602 = 55,438,602 : x
2. Step 2: Convert to fraction form
   37,906,840/55,438,602 = 55,438,602/x
3. Step 3: Cross multiply
   37,906,840x = 55,438,602 × 55,438,602
4. Step 4: Simplify right side
   37,906,840x = 3,073,438,591,714,404
5. Step 5: Solve for x
   x = 3,073,438,591,714,404/37,906,840
6. Step 6: Final answer
   x = 81,078,733.86