Finding the Third Proportional to 1,064,173.50 and 2,178,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,173.50 : 2,178,072 = 2,178,072 : x
2. Step 2: Convert to fraction form
   1,064,173.50/2,178,072 = 2,178,072/x
3. Step 3: Cross multiply
   1,064,173.50x = 2,178,072 × 2,178,072
4. Step 4: Simplify right side
   1,064,173.50x = 4,743,997,637,184
5. Step 5: Solve for x
   x = 4,743,997,637,184/1,064,173.50
6. Step 6: Final answer
   x = 4,457,917.47