Finding the Third Proportional to 11,643,391,792.50 and 25,326,825,969

Step by Step Solution

1. Step 1: Write the proportion equation
   11,643,391,792.50 : 25,326,825,969 = 25,326,825,969 : x
2. Step 2: Convert to fraction form
   11,643,391,792.50/25,326,825,969 = 25,326,825,969/x
3. Step 3: Cross multiply
   11,643,391,792.50x = 25,326,825,969 × 25,326,825,969
4. Step 4: Simplify right side
   11,643,391,792.50x = 641,448,113,664,012,845,056
5. Step 5: Solve for x
   x = 641,448,113,664,012,845,056/11,643,391,792.50
6. Step 6: Final answer
   x = 55,091,173,181.79