Finding the Third Proportional to 31,744,679 and 46,392,128

Step by Step Solution

1. Step 1: Write the proportion equation
   31,744,679 : 46,392,128 = 46,392,128 : x
2. Step 2: Convert to fraction form
   31,744,679/46,392,128 = 46,392,128/x
3. Step 3: Cross multiply
   31,744,679x = 46,392,128 × 46,392,128
4. Step 4: Simplify right side
   31,744,679x = 2,152,229,540,368,384
5. Step 5: Solve for x
   x = 2,152,229,540,368,384/31,744,679
6. Step 6: Final answer
   x = 67,798,119.50