Finding the Third Proportional to 55,198,298,335.78 and 120,067,909,730.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,198,298,335.78 : 120,067,909,730.72 = 120,067,909,730.72 : x
2. Step 2: Convert to fraction form
   55,198,298,335.78/120,067,909,730.72 = 120,067,909,730.72/x
3. Step 3: Cross multiply
   55,198,298,335.78x = 120,067,909,730.72 × 120,067,909,730.72
4. Step 4: Simplify right side
   55,198,298,335.78x = 14,416,302,947,104,326,680,576
5. Step 5: Solve for x
   x = 14,416,302,947,104,326,680,576/55,198,298,335.78
6. Step 6: Final answer
   x = 261,172,959,706.25