Finding the Third Proportional to 2,618,887,080 and 5,673,672,960

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618,887,080 : 5,673,672,960 = 5,673,672,960 : x
2. Step 2: Convert to fraction form
   2,618,887,080/5,673,672,960 = 5,673,672,960/x
3. Step 3: Cross multiply
   2,618,887,080x = 5,673,672,960 × 5,673,672,960
4. Step 4: Simplify right side
   2,618,887,080x = 32,190,564,857,035,161,600
5. Step 5: Solve for x
   x = 32,190,564,857,035,161,600/2,618,887,080
6. Step 6: Final answer
   x = 12,291,696,386.17