Finding the Third Proportional to 9,927,460,656 and 21,271,201,830

Step by Step Solution

1. Step 1: Write the proportion equation
   9,927,460,656 : 21,271,201,830 = 21,271,201,830 : x
2. Step 2: Convert to fraction form
   9,927,460,656/21,271,201,830 = 21,271,201,830/x
3. Step 3: Cross multiply
   9,927,460,656x = 21,271,201,830 × 21,271,201,830
4. Step 4: Simplify right side
   9,927,460,656x = 452,464,027,292,595,322,880
5. Step 5: Solve for x
   x = 452,464,027,292,595,322,880/9,927,460,656
6. Step 6: Final answer
   x = 45,577,015,409.19