Finding the Third Proportional to 17,490,470 and 38,424,412

Step by Step Solution

1. Step 1: Write the proportion equation
   17,490,470 : 38,424,412 = 38,424,412 : x
2. Step 2: Convert to fraction form
   17,490,470/38,424,412 = 38,424,412/x
3. Step 3: Cross multiply
   17,490,470x = 38,424,412 × 38,424,412
4. Step 4: Simplify right side
   17,490,470x = 1,476,435,437,545,744
5. Step 5: Solve for x
   x = 1,476,435,437,545,744/17,490,470
6. Step 6: Final answer
   x = 84,413,708.58