Finding the Third Proportional to 39,858,815 and 65,085,300

Step by Step Solution

1. Step 1: Write the proportion equation
   39,858,815 : 65,085,300 = 65,085,300 : x
2. Step 2: Convert to fraction form
   39,858,815/65,085,300 = 65,085,300/x
3. Step 3: Cross multiply
   39,858,815x = 65,085,300 × 65,085,300
4. Step 4: Simplify right side
   39,858,815x = 4,236,096,276,090,000
5. Step 5: Solve for x
   x = 4,236,096,276,090,000/39,858,815
6. Step 6: Final answer
   x = 106,277,526.72