Finding the Third Proportional to 76,875,316 and 123,794,579

Step by Step Solution

1. Step 1: Write the proportion equation
   76,875,316 : 123,794,579 = 123,794,579 : x
2. Step 2: Convert to fraction form
   76,875,316/123,794,579 = 123,794,579/x
3. Step 3: Cross multiply
   76,875,316x = 123,794,579 × 123,794,579
4. Step 4: Simplify right side
   76,875,316x = 15,325,097,789,787,240
5. Step 5: Solve for x
   x = 15,325,097,789,787,240/76,875,316
6. Step 6: Final answer
   x = 199,350,046.12