Finding the Third Proportional to 39,858,807 and 65,085,286.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,858,807 : 65,085,286.50 = 65,085,286.50 : x
2. Step 2: Convert to fraction form
   39,858,807/65,085,286.50 = 65,085,286.50/x
3. Step 3: Cross multiply
   39,858,807x = 65,085,286.50 × 65,085,286.50
4. Step 4: Simplify right side
   39,858,807x = 4,236,094,518,787,082
5. Step 5: Solve for x
   x = 4,236,094,518,787,082/39,858,807
6. Step 6: Final answer
   x = 106,277,503.96