Finding the Third Proportional to 67,128,770 and 146,808,004

Step by Step Solution

1. Step 1: Write the proportion equation
   67,128,770 : 146,808,004 = 146,808,004 : x
2. Step 2: Convert to fraction form
   67,128,770/146,808,004 = 146,808,004/x
3. Step 3: Cross multiply
   67,128,770x = 146,808,004 × 146,808,004
4. Step 4: Simplify right side
   67,128,770x = 21,552,590,038,464,016
5. Step 5: Solve for x
   x = 21,552,590,038,464,016/67,128,770
6. Step 6: Final answer
   x = 321,063,383.68