Finding the Third Proportional to 99,084,241 and 207,202,978

Step by Step Solution

1. Step 1: Write the proportion equation
   99,084,241 : 207,202,978 = 207,202,978 : x
2. Step 2: Convert to fraction form
   99,084,241/207,202,978 = 207,202,978/x
3. Step 3: Cross multiply
   99,084,241x = 207,202,978 × 207,202,978
4. Step 4: Simplify right side
   99,084,241x = 42,933,074,092,068,480
5. Step 5: Solve for x
   x = 42,933,074,092,068,480/99,084,241
6. Step 6: Final answer
   x = 433,298,712.88