Finding the Third Proportional to 5,573,440 and 8,613,780

Step by Step Solution

1. Step 1: Write the proportion equation
   5,573,440 : 8,613,780 = 8,613,780 : x
2. Step 2: Convert to fraction form
   5,573,440/8,613,780 = 8,613,780/x
3. Step 3: Cross multiply
   5,573,440x = 8,613,780 × 8,613,780
4. Step 4: Simplify right side
   5,573,440x = 74,197,205,888,400
5. Step 5: Solve for x
   x = 74,197,205,888,400/5,573,440
6. Step 6: Final answer
   x = 13,312,641.01