Finding the Third Proportional to 2,478,285 and 3,788,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478,285 : 3,788,662.50 = 3,788,662.50 : x
2. Step 2: Convert to fraction form
   2,478,285/3,788,662.50 = 3,788,662.50/x
3. Step 3: Cross multiply
   2,478,285x = 3,788,662.50 × 3,788,662.50
4. Step 4: Simplify right side
   2,478,285x = 14,353,963,538,906.25
5. Step 5: Solve for x
   x = 14,353,963,538,906.25/2,478,285
6. Step 6: Final answer
   x = 5,791,893.81