Finding the Third Proportional to 847,154 and 1,817,140

Step by Step Solution

1. Step 1: Write the proportion equation
   847,154 : 1,817,140 = 1,817,140 : x
2. Step 2: Convert to fraction form
   847,154/1,817,140 = 1,817,140/x
3. Step 3: Cross multiply
   847,154x = 1,817,140 × 1,817,140
4. Step 4: Simplify right side
   847,154x = 3,301,997,779,600
5. Step 5: Solve for x
   x = 3,301,997,779,600/847,154
6. Step 6: Final answer
   x = 3,897,753.87