Finding the Third Proportional to 414,603,272 and 907,309,072

Step by Step Solution

1. Step 1: Write the proportion equation
   414,603,272 : 907,309,072 = 907,309,072 : x
2. Step 2: Convert to fraction form
   414,603,272/907,309,072 = 907,309,072/x
3. Step 3: Cross multiply
   414,603,272x = 907,309,072 × 907,309,072
4. Step 4: Simplify right side
   414,603,272x = 823,209,752,133,501,184
5. Step 5: Solve for x
   x = 823,209,752,133,501,184/414,603,272
6. Step 6: Final answer
   x = 1,985,536,072.02