Finding the Third Proportional to 749,170 and 1,618,047

Step by Step Solution

1. Step 1: Write the proportion equation
   749,170 : 1,618,047 = 1,618,047 : x
2. Step 2: Convert to fraction form
   749,170/1,618,047 = 1,618,047/x
3. Step 3: Cross multiply
   749,170x = 1,618,047 × 1,618,047
4. Step 4: Simplify right side
   749,170x = 2,618,076,094,209
5. Step 5: Solve for x
   x = 2,618,076,094,209/749,170
6. Step 6: Final answer
   x = 3,494,635.52