Finding the Third Proportional to 11,931,570,541.69 and 17,947,170,113.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,931,570,541.69 : 17,947,170,113.91 = 17,947,170,113.91 : x
2. Step 2: Convert to fraction form
   11,931,570,541.69/17,947,170,113.91 = 17,947,170,113.91/x
3. Step 3: Cross multiply
   11,931,570,541.69x = 17,947,170,113.91 × 17,947,170,113.91
4. Step 4: Simplify right side
   11,931,570,541.69x = 322,100,915,097,480,658,944
5. Step 5: Solve for x
   x = 322,100,915,097,480,658,944/11,931,570,541.69
6. Step 6: Final answer
   x = 26,995,684,597.60