Finding the Third Proportional to 16,353,589,311 and 35,498,209,158

Step by Step Solution

1. Step 1: Write the proportion equation
   16,353,589,311 : 35,498,209,158 = 35,498,209,158 : x
2. Step 2: Convert to fraction form
   16,353,589,311/35,498,209,158 = 35,498,209,158/x
3. Step 3: Cross multiply
   16,353,589,311x = 35,498,209,158 × 35,498,209,158
4. Step 4: Simplify right side
   16,353,589,311x = 1,260,122,853,425,115,037,696
5. Step 5: Solve for x
   x = 1,260,122,853,425,115,037,696/16,353,589,311
6. Step 6: Final answer
   x = 77,054,818,331.38