Finding the Third Proportional to 69,821,054 and 146,877,676

Step by Step Solution

1. Step 1: Write the proportion equation
   69,821,054 : 146,877,676 = 146,877,676 : x
2. Step 2: Convert to fraction form
   69,821,054/146,877,676 = 146,877,676/x
3. Step 3: Cross multiply
   69,821,054x = 146,877,676 × 146,877,676
4. Step 4: Simplify right side
   69,821,054x = 21,573,051,707,160,976
5. Step 5: Solve for x
   x = 21,573,051,707,160,976/69,821,054
6. Step 6: Final answer
   x = 308,976,311.17