Finding the Third Proportional to 425,590,281 and 916,833,978

Step by Step Solution

1. Step 1: Write the proportion equation
   425,590,281 : 916,833,978 = 916,833,978 : x
2. Step 2: Convert to fraction form
   425,590,281/916,833,978 = 916,833,978/x
3. Step 3: Cross multiply
   425,590,281x = 916,833,978 × 916,833,978
4. Step 4: Simplify right side
   425,590,281x = 840,584,543,215,304,448
5. Step 5: Solve for x
   x = 840,584,543,215,304,448/425,590,281
6. Step 6: Final answer
   x = 1,975,102,770.77