Finding the Third Proportional to 659,968,140 and 1,374,141,048

Step by Step Solution

1. Step 1: Write the proportion equation
   659,968,140 : 1,374,141,048 = 1,374,141,048 : x
2. Step 2: Convert to fraction form
   659,968,140/1,374,141,048 = 1,374,141,048/x
3. Step 3: Cross multiply
   659,968,140x = 1,374,141,048 × 1,374,141,048
4. Step 4: Simplify right side
   659,968,140x = 1,888,263,619,798,538,240
5. Step 5: Solve for x
   x = 1,888,263,619,798,538,240/659,968,140
6. Step 6: Final answer
   x = 2,861,143,599.75