Finding the Third Proportional to 67,588,659 and 138,760,392

Step by Step Solution

1. Step 1: Write the proportion equation
   67,588,659 : 138,760,392 = 138,760,392 : x
2. Step 2: Convert to fraction form
   67,588,659/138,760,392 = 138,760,392/x
3. Step 3: Cross multiply
   67,588,659x = 138,760,392 × 138,760,392
4. Step 4: Simplify right side
   67,588,659x = 19,254,446,387,993,664
5. Step 5: Solve for x
   x = 19,254,446,387,993,664/67,588,659
6. Step 6: Final answer
   x = 284,876,881.31