Finding the Third Proportional to 2,507,715 and 5,918,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507,715 : 5,918,791.50 = 5,918,791.50 : x
2. Step 2: Convert to fraction form
   2,507,715/5,918,791.50 = 5,918,791.50/x
3. Step 3: Cross multiply
   2,507,715x = 5,918,791.50 × 5,918,791.50
4. Step 4: Simplify right side
   2,507,715x = 35,032,092,820,472.25
5. Step 5: Solve for x
   x = 35,032,092,820,472.25/2,507,715
6. Step 6: Final answer
   x = 13,969,726.55