Finding the Third Proportional to 1,010,664 and 2,189,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010,664 : 2,189,392.50 = 2,189,392.50 : x
2. Step 2: Convert to fraction form
   1,010,664/2,189,392.50 = 2,189,392.50/x
3. Step 3: Cross multiply
   1,010,664x = 2,189,392.50 × 2,189,392.50
4. Step 4: Simplify right side
   1,010,664x = 4,793,439,519,056.25
5. Step 5: Solve for x
   x = 4,793,439,519,056.25/1,010,664
6. Step 6: Final answer
   x = 4,742,861.64