Finding the Third Proportional to 59,256,078 and 142,739,079

Step by Step Solution

1. Step 1: Write the proportion equation
   59,256,078 : 142,739,079 = 142,739,079 : x
2. Step 2: Convert to fraction form
   59,256,078/142,739,079 = 142,739,079/x
3. Step 3: Cross multiply
   59,256,078x = 142,739,079 × 142,739,079
4. Step 4: Simplify right side
   59,256,078x = 20,374,444,673,768,240
5. Step 5: Solve for x
   x = 20,374,444,673,768,240/59,256,078
6. Step 6: Final answer
   x = 343,837,212.34