Finding the Third Proportional to 1,268,102,064.38 and 2,038,467,439.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,102,064.38 : 2,038,467,439.69 = 2,038,467,439.69 : x
2. Step 2: Convert to fraction form
   1,268,102,064.38/2,038,467,439.69 = 2,038,467,439.69/x
3. Step 3: Cross multiply
   1,268,102,064.38x = 2,038,467,439.69 × 2,038,467,439.69
4. Step 4: Simplify right side
   1,268,102,064.38x = 4,155,349,502,666,111,488
5. Step 5: Solve for x
   x = 4,155,349,502,666,111,488/1,268,102,064.38
6. Step 6: Final answer
   x = 3,276,825,753.54