Finding the Third Proportional to 17,974,983 and 39,312,870

Step by Step Solution

1. Step 1: Write the proportion equation
   17,974,983 : 39,312,870 = 39,312,870 : x
2. Step 2: Convert to fraction form
   17,974,983/39,312,870 = 39,312,870/x
3. Step 3: Cross multiply
   17,974,983x = 39,312,870 × 39,312,870
4. Step 4: Simplify right side
   17,974,983x = 1,545,501,747,636,900
5. Step 5: Solve for x
   x = 1,545,501,747,636,900/17,974,983
6. Step 6: Final answer
   x = 85,980,707.05