Finding the Third Proportional to 3,486,100.78 and 7,476,487.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,486,100.78 : 7,476,487.31 = 7,476,487.31 : x
2. Step 2: Convert to fraction form
   3,486,100.78/7,476,487.31 = 7,476,487.31/x
3. Step 3: Cross multiply
   3,486,100.78x = 7,476,487.31 × 7,476,487.31
4. Step 4: Simplify right side
   3,486,100.78x = 55,897,862,533,973.47
5. Step 5: Solve for x
   x = 55,897,862,533,973.47/3,486,100.78
6. Step 6: Final answer
   x = 16,034,494.14