Finding the Third Proportional to 68,200,144 and 146,103,972

Step by Step Solution

1. Step 1: Write the proportion equation
   68,200,144 : 146,103,972 = 146,103,972 : x
2. Step 2: Convert to fraction form
   68,200,144/146,103,972 = 146,103,972/x
3. Step 3: Cross multiply
   68,200,144x = 146,103,972 × 146,103,972
4. Step 4: Simplify right side
   68,200,144x = 21,346,370,634,176,784
5. Step 5: Solve for x
   x = 21,346,370,634,176,784/68,200,144
6. Step 6: Final answer
   x = 312,995,975.99