Finding the Third Proportional to 4,112,572 and 8,911,588

Step by Step Solution

1. Step 1: Write the proportion equation
   4,112,572 : 8,911,588 = 8,911,588 : x
2. Step 2: Convert to fraction form
   4,112,572/8,911,588 = 8,911,588/x
3. Step 3: Cross multiply
   4,112,572x = 8,911,588 × 8,911,588
4. Step 4: Simplify right side
   4,112,572x = 79,416,400,681,744
5. Step 5: Solve for x
   x = 79,416,400,681,744/4,112,572
6. Step 6: Final answer
   x = 19,310,640.81