Finding the Third Proportional to 5,402,948 and 8,555,430

Step by Step Solution

1. Step 1: Write the proportion equation
   5,402,948 : 8,555,430 = 8,555,430 : x
2. Step 2: Convert to fraction form
   5,402,948/8,555,430 = 8,555,430/x
3. Step 3: Cross multiply
   5,402,948x = 8,555,430 × 8,555,430
4. Step 4: Simplify right side
   5,402,948x = 73,195,382,484,900
5. Step 5: Solve for x
   x = 73,195,382,484,900/5,402,948
6. Step 6: Final answer
   x = 13,547,304.64