Finding the Third Proportional to 175,513.50 and 379,047

Step by Step Solution

1. Step 1: Write the proportion equation
   175,513.50 : 379,047 = 379,047 : x
2. Step 2: Convert to fraction form
   175,513.50/379,047 = 379,047/x
3. Step 3: Cross multiply
   175,513.50x = 379,047 × 379,047
4. Step 4: Simplify right side
   175,513.50x = 143,676,628,209
5. Step 5: Solve for x
   x = 143,676,628,209/175,513.50
6. Step 6: Final answer
   x = 818,607.28