Finding the Third Proportional to 920,701,984 and 1,972,403,648

Step by Step Solution

1. Step 1: Write the proportion equation
   920,701,984 : 1,972,403,648 = 1,972,403,648 : x
2. Step 2: Convert to fraction form
   920,701,984/1,972,403,648 = 1,972,403,648/x
3. Step 3: Cross multiply
   920,701,984x = 1,972,403,648 × 1,972,403,648
4. Step 4: Simplify right side
   920,701,984x = 3,890,376,150,643,707,904
5. Step 5: Solve for x
   x = 3,890,376,150,643,707,904/920,701,984
6. Step 6: Final answer
   x = 4,225,445,603.74