Finding the Third Proportional to 42,169,780 and 65,165,912

Step by Step Solution

1. Step 1: Write the proportion equation
   42,169,780 : 65,165,912 = 65,165,912 : x
2. Step 2: Convert to fraction form
   42,169,780/65,165,912 = 65,165,912/x
3. Step 3: Cross multiply
   42,169,780x = 65,165,912 × 65,165,912
4. Step 4: Simplify right side
   42,169,780x = 4,246,596,086,791,744
5. Step 5: Solve for x
   x = 4,246,596,086,791,744/42,169,780
6. Step 6: Final answer
   x = 100,702,353.36