Finding the Third Proportional to 10,393,341,489 and 21,337,665,572

Step by Step Solution

1. Step 1: Write the proportion equation
   10,393,341,489 : 21,337,665,572 = 21,337,665,572 : x
2. Step 2: Convert to fraction form
   10,393,341,489/21,337,665,572 = 21,337,665,572/x
3. Step 3: Cross multiply
   10,393,341,489x = 21,337,665,572 × 21,337,665,572
4. Step 4: Simplify right side
   10,393,341,489x = 455,295,972,062,514,118,656
5. Step 5: Solve for x
   x = 455,295,972,062,514,118,656/10,393,341,489
6. Step 6: Final answer
   x = 43,806,505,592.49