Finding the Third Proportional to 6,887,123,620.88 and 10,328,891,819.63

Step by Step Solution

1. Step 1: Write the proportion equation
   6,887,123,620.88 : 10,328,891,819.63 = 10,328,891,819.63 : x
2. Step 2: Convert to fraction form
   6,887,123,620.88/10,328,891,819.63 = 10,328,891,819.63/x
3. Step 3: Cross multiply
   6,887,123,620.88x = 10,328,891,819.63 × 10,328,891,819.63
4. Step 4: Simplify right side
   6,887,123,620.88x = 106,686,006,221,516,242,944
5. Step 5: Solve for x
   x = 106,686,006,221,516,242,944/6,887,123,620.88
6. Step 6: Final answer
   x = 15,490,647,779.02