Finding the Third Proportional to 1,071,245 and 1,421,700

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,245 : 1,421,700 = 1,421,700 : x
2. Step 2: Convert to fraction form
   1,071,245/1,421,700 = 1,421,700/x
3. Step 3: Cross multiply
   1,071,245x = 1,421,700 × 1,421,700
4. Step 4: Simplify right side
   1,071,245x = 2,021,230,890,000
5. Step 5: Solve for x
   x = 2,021,230,890,000/1,071,245
6. Step 6: Final answer
   x = 1,886,805.44