Finding the Third Proportional to 2,618,887,039.50 and 5,673,672,879

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618,887,039.50 : 5,673,672,879 = 5,673,672,879 : x
2. Step 2: Convert to fraction form
   2,618,887,039.50/5,673,672,879 = 5,673,672,879/x
3. Step 3: Cross multiply
   2,618,887,039.50x = 5,673,672,879 × 5,673,672,879
4. Step 4: Simplify right side
   2,618,887,039.50x = 32,190,563,937,900,146,688
5. Step 5: Solve for x
   x = 32,190,563,937,900,146,688/2,618,887,039.50
6. Step 6: Final answer
   x = 12,291,696,225.30