Finding the Third Proportional to 17,642,920.50 and 38,218,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,642,920.50 : 38,218,018.50 = 38,218,018.50 : x
2. Step 2: Convert to fraction form
   17,642,920.50/38,218,018.50 = 38,218,018.50/x
3. Step 3: Cross multiply
   17,642,920.50x = 38,218,018.50 × 38,218,018.50
4. Step 4: Simplify right side
   17,642,920.50x = 1,460,616,938,066,342.25
5. Step 5: Solve for x
   x = 1,460,616,938,066,342.25/17,642,920.50
6. Step 6: Final answer
   x = 82,787,707.29