Finding the Third Proportional to 37,858,918.78 and 82,351,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,858,918.78 : 82,351,111.50 = 82,351,111.50 : x
2. Step 2: Convert to fraction form
   37,858,918.78/82,351,111.50 = 82,351,111.50/x
3. Step 3: Cross multiply
   37,858,918.78x = 82,351,111.50 × 82,351,111.50
4. Step 4: Simplify right side
   37,858,918.78x = 6,781,705,565,285,432
5. Step 5: Solve for x
   x = 6,781,705,565,285,432/37,858,918.78
6. Step 6: Final answer
   x = 179,130,989.04