Finding the Third Proportional to 31,607,994 and 68,959,016

Step by Step Solution

1. Step 1: Write the proportion equation
   31,607,994 : 68,959,016 = 68,959,016 : x
2. Step 2: Convert to fraction form
   31,607,994/68,959,016 = 68,959,016/x
3. Step 3: Cross multiply
   31,607,994x = 68,959,016 × 68,959,016
4. Step 4: Simplify right side
   31,607,994x = 4,755,345,887,688,256
5. Step 5: Solve for x
   x = 4,755,345,887,688,256/31,607,994
6. Step 6: Final answer
   x = 150,447,569.93