Finding the Third Proportional to 5,341,645.50 and 10,872,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,341,645.50 : 10,872,064.50 = 10,872,064.50 : x
2. Step 2: Convert to fraction form
   5,341,645.50/10,872,064.50 = 10,872,064.50/x
3. Step 3: Cross multiply
   5,341,645.50x = 10,872,064.50 × 10,872,064.50
4. Step 4: Simplify right side
   5,341,645.50x = 118,201,786,492,160.25
5. Step 5: Solve for x
   x = 118,201,786,492,160.25/5,341,645.50
6. Step 6: Final answer
   x = 22,128,347.25