Finding the Third Proportional to 84,930,144 and 185,756,680

Step by Step Solution

1. Step 1: Write the proportion equation
   84,930,144 : 185,756,680 = 185,756,680 : x
2. Step 2: Convert to fraction form
   84,930,144/185,756,680 = 185,756,680/x
3. Step 3: Cross multiply
   84,930,144x = 185,756,680 × 185,756,680
4. Step 4: Simplify right side
   84,930,144x = 34,505,544,164,622,400
5. Step 5: Solve for x
   x = 34,505,544,164,622,400/84,930,144
6. Step 6: Final answer
   x = 406,281,474.86