Finding the Third Proportional to 65,616,624 and 143,591,256

Step by Step Solution

1. Step 1: Write the proportion equation
   65,616,624 : 143,591,256 = 143,591,256 : x
2. Step 2: Convert to fraction form
   65,616,624/143,591,256 = 143,591,256/x
3. Step 3: Cross multiply
   65,616,624x = 143,591,256 × 143,591,256
4. Step 4: Simplify right side
   65,616,624x = 20,618,448,799,657,536
5. Step 5: Solve for x
   x = 20,618,448,799,657,536/65,616,624
6. Step 6: Final answer
   x = 314,225,992.48