Finding the Third Proportional to 1,859,436 and 2,871,166.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859,436 : 2,871,166.50 = 2,871,166.50 : x
2. Step 2: Convert to fraction form
   1,859,436/2,871,166.50 = 2,871,166.50/x
3. Step 3: Cross multiply
   1,859,436x = 2,871,166.50 × 2,871,166.50
4. Step 4: Simplify right side
   1,859,436x = 8,243,597,070,722.25
5. Step 5: Solve for x
   x = 8,243,597,070,722.25/1,859,436
6. Step 6: Final answer
   x = 4,433,385.75