Finding the Third Proportional to 39,188,322 and 54,811,405

Step by Step Solution

1. Step 1: Write the proportion equation
   39,188,322 : 54,811,405 = 54,811,405 : x
2. Step 2: Convert to fraction form
   39,188,322/54,811,405 = 54,811,405/x
3. Step 3: Cross multiply
   39,188,322x = 54,811,405 × 54,811,405
4. Step 4: Simplify right side
   39,188,322x = 3,004,290,118,074,025
5. Step 5: Solve for x
   x = 3,004,290,118,074,025/39,188,322
6. Step 6: Final answer
   x = 76,662,892.53