Finding the Third Proportional to 3,931,272 and 5,766,224

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931,272 : 5,766,224 = 5,766,224 : x
2. Step 2: Convert to fraction form
   3,931,272/5,766,224 = 5,766,224/x
3. Step 3: Cross multiply
   3,931,272x = 5,766,224 × 5,766,224
4. Step 4: Simplify right side
   3,931,272x = 33,249,339,218,176
5. Step 5: Solve for x
   x = 33,249,339,218,176/3,931,272
6. Step 6: Final answer
   x = 8,457,654.22