Finding the Third Proportional to 1,580,921,436 and 3,515,314,338

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580,921,436 : 3,515,314,338 = 3,515,314,338 : x
2. Step 2: Convert to fraction form
   1,580,921,436/3,515,314,338 = 3,515,314,338/x
3. Step 3: Cross multiply
   1,580,921,436x = 3,515,314,338 × 3,515,314,338
4. Step 4: Simplify right side
   1,580,921,436x = 12,357,434,894,948,378,624
5. Step 5: Solve for x
   x = 12,357,434,894,948,378,624/1,580,921,436
6. Step 6: Final answer
   x = 7,816,602,782.12