Finding the Third Proportional to 3,445,281,236 and 7,557,521,656

Step by Step Solution

1. Step 1: Write the proportion equation
   3,445,281,236 : 7,557,521,656 = 7,557,521,656 : x
2. Step 2: Convert to fraction form
   3,445,281,236/7,557,521,656 = 7,557,521,656/x
3. Step 3: Cross multiply
   3,445,281,236x = 7,557,521,656 × 7,557,521,656
4. Step 4: Simplify right side
   3,445,281,236x = 57,116,133,580,908,986,368
5. Step 5: Solve for x
   x = 57,116,133,580,908,986,368/3,445,281,236
6. Step 6: Final answer
   x = 16,578,075,828.50