Finding the Third Proportional to 1,621,279,048 and 3,287,672,090

Step by Step Solution

1. Step 1: Write the proportion equation
   1,621,279,048 : 3,287,672,090 = 3,287,672,090 : x
2. Step 2: Convert to fraction form
   1,621,279,048/3,287,672,090 = 3,287,672,090/x
3. Step 3: Cross multiply
   1,621,279,048x = 3,287,672,090 × 3,287,672,090
4. Step 4: Simplify right side
   1,621,279,048x = 10,808,787,771,364,968,448
5. Step 5: Solve for x
   x = 10,808,787,771,364,968,448/1,621,279,048
6. Step 6: Final answer
   x = 6,666,827,517.88