Finding the Third Proportional to 10,378,085,681 and 15,499,121,752

Step by Step Solution

1. Step 1: Write the proportion equation
   10,378,085,681 : 15,499,121,752 = 15,499,121,752 : x
2. Step 2: Convert to fraction form
   10,378,085,681/15,499,121,752 = 15,499,121,752/x
3. Step 3: Cross multiply
   10,378,085,681x = 15,499,121,752 × 15,499,121,752
4. Step 4: Simplify right side
   10,378,085,681x = 240,222,775,083,319,558,144
5. Step 5: Solve for x
   x = 240,222,775,083,319,558,144/10,378,085,681
6. Step 6: Final answer
   x = 23,147,118,116.70