Finding the Third Proportional to 488,390,658 and 1,047,679,191

Step by Step Solution

1. Step 1: Write the proportion equation
   488,390,658 : 1,047,679,191 = 1,047,679,191 : x
2. Step 2: Convert to fraction form
   488,390,658/1,047,679,191 = 1,047,679,191/x
3. Step 3: Cross multiply
   488,390,658x = 1,047,679,191 × 1,047,679,191
4. Step 4: Simplify right side
   488,390,658x = 1,097,631,687,254,414,464
5. Step 5: Solve for x
   x = 1,097,631,687,254,414,464/488,390,658
6. Step 6: Final answer
   x = 2,247,446,115.68