Finding the Third Proportional to 91,979,607 and 200,288,814

Step by Step Solution

1. Step 1: Write the proportion equation
   91,979,607 : 200,288,814 = 200,288,814 : x
2. Step 2: Convert to fraction form
   91,979,607/200,288,814 = 200,288,814/x
3. Step 3: Cross multiply
   91,979,607x = 200,288,814 × 200,288,814
4. Step 4: Simplify right side
   91,979,607x = 40,115,609,013,526,592
5. Step 5: Solve for x
   x = 40,115,609,013,526,592/91,979,607
6. Step 6: Final answer
   x = 436,135,903.62