Finding the Third Proportional to 7,872,612,615 and 17,349,914,448

Step by Step Solution

1. Step 1: Write the proportion equation
   7,872,612,615 : 17,349,914,448 = 17,349,914,448 : x
2. Step 2: Convert to fraction form
   7,872,612,615/17,349,914,448 = 17,349,914,448/x
3. Step 3: Cross multiply
   7,872,612,615x = 17,349,914,448 × 17,349,914,448
4. Step 4: Simplify right side
   7,872,612,615x = 301,019,531,352,919,113,728
5. Step 5: Solve for x
   x = 301,019,531,352,919,113,728/7,872,612,615
6. Step 6: Final answer
   x = 38,236,294,108.94