Finding the Third Proportional to 1,236,558,716.25 and 2,666,822,182.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,558,716.25 : 2,666,822,182.50 = 2,666,822,182.50 : x
2. Step 2: Convert to fraction form
   1,236,558,716.25/2,666,822,182.50 = 2,666,822,182.50/x
3. Step 3: Cross multiply
   1,236,558,716.25x = 2,666,822,182.50 × 2,666,822,182.50
4. Step 4: Simplify right side
   1,236,558,716.25x = 7,111,940,553,074,063,360
5. Step 5: Solve for x
   x = 7,111,940,553,074,063,360/1,236,558,716.25
6. Step 6: Final answer
   x = 5,751,397,373.71