Finding the Third Proportional to 1,890,086 and 2,905,129

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,086 : 2,905,129 = 2,905,129 : x
2. Step 2: Convert to fraction form
   1,890,086/2,905,129 = 2,905,129/x
3. Step 3: Cross multiply
   1,890,086x = 2,905,129 × 2,905,129
4. Step 4: Simplify right side
   1,890,086x = 8,439,774,506,641
5. Step 5: Solve for x
   x = 8,439,774,506,641/1,890,086
6. Step 6: Final answer
   x = 4,465,285.97