Finding the Third Proportional to 4,251,560 and 6,316,778

Step by Step Solution

1. Step 1: Write the proportion equation
   4,251,560 : 6,316,778 = 6,316,778 : x
2. Step 2: Convert to fraction form
   4,251,560/6,316,778 = 6,316,778/x
3. Step 3: Cross multiply
   4,251,560x = 6,316,778 × 6,316,778
4. Step 4: Simplify right side
   4,251,560x = 39,901,684,301,284
5. Step 5: Solve for x
   x = 39,901,684,301,284/4,251,560
6. Step 6: Final answer
   x = 9,385,186.68