Finding the Third Proportional to 5,078,063,898 and 7,843,488,255

Step by Step Solution

1. Step 1: Write the proportion equation
   5,078,063,898 : 7,843,488,255 = 7,843,488,255 : x
2. Step 2: Convert to fraction form
   5,078,063,898/7,843,488,255 = 7,843,488,255/x
3. Step 3: Cross multiply
   5,078,063,898x = 7,843,488,255 × 7,843,488,255
4. Step 4: Simplify right side
   5,078,063,898x = 61,520,308,006,322,946,048
5. Step 5: Solve for x
   x = 61,520,308,006,322,946,048/5,078,063,898
6. Step 6: Final answer
   x = 12,114,914,117.28