Finding the Third Proportional to 2,111,693,128.88 and 2,875,765,600.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,693,128.88 : 2,875,765,600.69 = 2,875,765,600.69 : x
2. Step 2: Convert to fraction form
   2,111,693,128.88/2,875,765,600.69 = 2,875,765,600.69/x
3. Step 3: Cross multiply
   2,111,693,128.88x = 2,875,765,600.69 × 2,875,765,600.69
4. Step 4: Simplify right side
   2,111,693,128.88x = 8,270,027,790,097,538,048
5. Step 5: Solve for x
   x = 8,270,027,790,097,538,048/2,111,693,128.88
6. Step 6: Final answer
   x = 3,916,301,889.23