Finding the Third Proportional to 2,488,165,218 and 5,345,580,964.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488,165,218 : 5,345,580,964.50 = 5,345,580,964.50 : x
2. Step 2: Convert to fraction form
   2,488,165,218/5,345,580,964.50 = 5,345,580,964.50/x
3. Step 3: Cross multiply
   2,488,165,218x = 5,345,580,964.50 × 5,345,580,964.50
4. Step 4: Simplify right side
   2,488,165,218x = 28,575,235,848,024,752,128
5. Step 5: Solve for x
   x = 28,575,235,848,024,752,128/2,488,165,218
6. Step 6: Final answer
   x = 11,484,460,775.07