Finding the Third Proportional to 68,429,896 and 141,710,256

Step by Step Solution

1. Step 1: Write the proportion equation
   68,429,896 : 141,710,256 = 141,710,256 : x
2. Step 2: Convert to fraction form
   68,429,896/141,710,256 = 141,710,256/x
3. Step 3: Cross multiply
   68,429,896x = 141,710,256 × 141,710,256
4. Step 4: Simplify right side
   68,429,896x = 20,081,796,655,585,536
5. Step 5: Solve for x
   x = 20,081,796,655,585,536/68,429,896
6. Step 6: Final answer
   x = 293,465,251.73