Finding the Third Proportional to 843,213 and 1,107,072

Step by Step Solution

1. Step 1: Write the proportion equation
   843,213 : 1,107,072 = 1,107,072 : x
2. Step 2: Convert to fraction form
   843,213/1,107,072 = 1,107,072/x
3. Step 3: Cross multiply
   843,213x = 1,107,072 × 1,107,072
4. Step 4: Simplify right side
   843,213x = 1,225,608,413,184
5. Step 5: Solve for x
   x = 1,225,608,413,184/843,213
6. Step 6: Final answer
   x = 1,453,498.00