Finding the Third Proportional to 1,188,310 and 2,547,206

Step by Step Solution

1. Step 1: Write the proportion equation
   1,188,310 : 2,547,206 = 2,547,206 : x
2. Step 2: Convert to fraction form
   1,188,310/2,547,206 = 2,547,206/x
3. Step 3: Cross multiply
   1,188,310x = 2,547,206 × 2,547,206
4. Step 4: Simplify right side
   1,188,310x = 6,488,258,406,436
5. Step 5: Solve for x
   x = 6,488,258,406,436/1,188,310
6. Step 6: Final answer
   x = 5,460,072.21