Finding the Third Proportional to 659,159,820 and 897,663,164

Step by Step Solution

1. Step 1: Write the proportion equation
   659,159,820 : 897,663,164 = 897,663,164 : x
2. Step 2: Convert to fraction form
   659,159,820/897,663,164 = 897,663,164/x
3. Step 3: Cross multiply
   659,159,820x = 897,663,164 × 897,663,164
4. Step 4: Simplify right side
   659,159,820x = 805,799,156,002,490,880
5. Step 5: Solve for x
   x = 805,799,156,002,490,880/659,159,820
6. Step 6: Final answer
   x = 1,222,464,008.81