Finding the Third Proportional to 202,708,698 and 442,573,978

Step by Step Solution

1. Step 1: Write the proportion equation
   202,708,698 : 442,573,978 = 442,573,978 : x
2. Step 2: Convert to fraction form
   202,708,698/442,573,978 = 442,573,978/x
3. Step 3: Cross multiply
   202,708,698x = 442,573,978 × 442,573,978
4. Step 4: Simplify right side
   202,708,698x = 195,871,726,002,744,480
5. Step 5: Solve for x
   x = 195,871,726,002,744,480/202,708,698
6. Step 6: Final answer
   x = 966,271,935.72