Finding the Third Proportional to 76,697,618 and 103,657,178

Step by Step Solution

1. Step 1: Write the proportion equation
   76,697,618 : 103,657,178 = 103,657,178 : x
2. Step 2: Convert to fraction form
   76,697,618/103,657,178 = 103,657,178/x
3. Step 3: Cross multiply
   76,697,618x = 103,657,178 × 103,657,178
4. Step 4: Simplify right side
   76,697,618x = 10,744,810,550,923,684
5. Step 5: Solve for x
   x = 10,744,810,550,923,684/76,697,618
6. Step 6: Final answer
   x = 140,093,145.41