Finding the Third Proportional to 1,128,789 and 1,748,547

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,789 : 1,748,547 = 1,748,547 : x
2. Step 2: Convert to fraction form
   1,128,789/1,748,547 = 1,748,547/x
3. Step 3: Cross multiply
   1,128,789x = 1,748,547 × 1,748,547
4. Step 4: Simplify right side
   1,128,789x = 3,057,416,611,209
5. Step 5: Solve for x
   x = 3,057,416,611,209/1,128,789
6. Step 6: Final answer
   x = 2,708,581.15