Finding the Third Proportional to 1,069,222.50 and 1,413,321

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,222.50 : 1,413,321 = 1,413,321 : x
2. Step 2: Convert to fraction form
   1,069,222.50/1,413,321 = 1,413,321/x
3. Step 3: Cross multiply
   1,069,222.50x = 1,413,321 × 1,413,321
4. Step 4: Simplify right side
   1,069,222.50x = 1,997,476,249,041
5. Step 5: Solve for x
   x = 1,997,476,249,041/1,069,222.50
6. Step 6: Final answer
   x = 1,868,157.70