Finding the Third Proportional to 915,181.50 and 1,971,840

Step by Step Solution

1. Step 1: Write the proportion equation
   915,181.50 : 1,971,840 = 1,971,840 : x
2. Step 2: Convert to fraction form
   915,181.50/1,971,840 = 1,971,840/x
3. Step 3: Cross multiply
   915,181.50x = 1,971,840 × 1,971,840
4. Step 4: Simplify right side
   915,181.50x = 3,888,152,985,600
5. Step 5: Solve for x
   x = 3,888,152,985,600/915,181.50
6. Step 6: Final answer
   x = 4,248,504.79