Finding the Third Proportional to 890,065.88 and 1,379,077.88

Step by Step Solution

1. Step 1: Write the proportion equation
   890,065.88 : 1,379,077.88 = 1,379,077.88 : x
2. Step 2: Convert to fraction form
   890,065.88/1,379,077.88 = 1,379,077.88/x
3. Step 3: Cross multiply
   890,065.88x = 1,379,077.88 × 1,379,077.88
4. Step 4: Simplify right side
   890,065.88x = 1,901,855,785,314.52
5. Step 5: Solve for x
   x = 1,901,855,785,314.52/890,065.88
6. Step 6: Final answer
   x = 2,136,758.46