Finding the Third Proportional to 2,650,858,886.25 and 3,953,300,391

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650,858,886.25 : 3,953,300,391 = 3,953,300,391 : x
2. Step 2: Convert to fraction form
   2,650,858,886.25/3,953,300,391 = 3,953,300,391/x
3. Step 3: Cross multiply
   2,650,858,886.25x = 3,953,300,391 × 3,953,300,391
4. Step 4: Simplify right side
   2,650,858,886.25x = 15,628,583,981,480,753,152
5. Step 5: Solve for x
   x = 15,628,583,981,480,753,152/2,650,858,886.25
6. Step 6: Final answer
   x = 5,895,668,027.65