Finding the Third Proportional to 77,284,818.56 and 166,676,185.69

Step by Step Solution

1. Step 1: Write the proportion equation
   77,284,818.56 : 166,676,185.69 = 166,676,185.69 : x
2. Step 2: Convert to fraction form
   77,284,818.56/166,676,185.69 = 166,676,185.69/x
3. Step 3: Cross multiply
   77,284,818.56x = 166,676,185.69 × 166,676,185.69
4. Step 4: Simplify right side
   77,284,818.56x = 27,780,950,875,333,980
5. Step 5: Solve for x
   x = 27,780,950,875,333,980/77,284,818.56
6. Step 6: Final answer
   x = 359,461,940.81