Finding the Third Proportional to 1,210,808 and 2,547,080

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210,808 : 2,547,080 = 2,547,080 : x
2. Step 2: Convert to fraction form
   1,210,808/2,547,080 = 2,547,080/x
3. Step 3: Cross multiply
   1,210,808x = 2,547,080 × 2,547,080
4. Step 4: Simplify right side
   1,210,808x = 6,487,616,526,400
5. Step 5: Solve for x
   x = 6,487,616,526,400/1,210,808
6. Step 6: Final answer
   x = 5,358,088.59