Finding the Third Proportional to 991,325,738.16 and 1,499,759,279.78

Step by Step Solution

1. Step 1: Write the proportion equation
   991,325,738.16 : 1,499,759,279.78 = 1,499,759,279.78 : x
2. Step 2: Convert to fraction form
   991,325,738.16/1,499,759,279.78 = 1,499,759,279.78/x
3. Step 3: Cross multiply
   991,325,738.16x = 1,499,759,279.78 × 1,499,759,279.78
4. Step 4: Simplify right side
   991,325,738.16x = 2,249,277,897,299,721,728
5. Step 5: Solve for x
   x = 2,249,277,897,299,721,728/991,325,738.16
6. Step 6: Final answer
   x = 2,268,959,445.64