Finding the Third Proportional to 5,596,964 and 8,642,798

Step by Step Solution

1. Step 1: Write the proportion equation
   5,596,964 : 8,642,798 = 8,642,798 : x
2. Step 2: Convert to fraction form
   5,596,964/8,642,798 = 8,642,798/x
3. Step 3: Cross multiply
   5,596,964x = 8,642,798 × 8,642,798
4. Step 4: Simplify right side
   5,596,964x = 74,697,957,268,804
5. Step 5: Solve for x
   x = 74,697,957,268,804/5,596,964
6. Step 6: Final answer
   x = 13,346,156.46