Finding the Third Proportional to 16,353,589,308 and 35,498,209,155

Step by Step Solution

1. Step 1: Write the proportion equation
   16,353,589,308 : 35,498,209,155 = 35,498,209,155 : x
2. Step 2: Convert to fraction form
   16,353,589,308/35,498,209,155 = 35,498,209,155/x
3. Step 3: Cross multiply
   16,353,589,308x = 35,498,209,155 × 35,498,209,155
4. Step 4: Simplify right side
   16,353,589,308x = 1,260,122,853,212,125,921,280
5. Step 5: Solve for x
   x = 1,260,122,853,212,125,921,280/16,353,589,308
6. Step 6: Final answer
   x = 77,054,818,332.49