Finding the Third Proportional to 920,938.50 and 1,886,143.50

Step by Step Solution

1. Step 1: Write the proportion equation
   920,938.50 : 1,886,143.50 = 1,886,143.50 : x
2. Step 2: Convert to fraction form
   920,938.50/1,886,143.50 = 1,886,143.50/x
3. Step 3: Cross multiply
   920,938.50x = 1,886,143.50 × 1,886,143.50
4. Step 4: Simplify right side
   920,938.50x = 3,557,537,302,592.25
5. Step 5: Solve for x
   x = 3,557,537,302,592.25/920,938.50
6. Step 6: Final answer
   x = 3,862,947.75