Finding the Third Proportional to 64,993,635 and 142,739,910

Step by Step Solution

1. Step 1: Write the proportion equation
   64,993,635 : 142,739,910 = 142,739,910 : x
2. Step 2: Convert to fraction form
   64,993,635/142,739,910 = 142,739,910/x
3. Step 3: Cross multiply
   64,993,635x = 142,739,910 × 142,739,910
4. Step 4: Simplify right side
   64,993,635x = 20,374,681,906,808,100
5. Step 5: Solve for x
   x = 20,374,681,906,808,100/64,993,635
6. Step 6: Final answer
   x = 313,487,342.37