Finding the Third Proportional to 66,683 and 157,410.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,683 : 157,410.50 = 157,410.50 : x
2. Step 2: Convert to fraction form
   66,683/157,410.50 = 157,410.50/x
3. Step 3: Cross multiply
   66,683x = 157,410.50 × 157,410.50
4. Step 4: Simplify right side
   66,683x = 24,778,065,510.25
5. Step 5: Solve for x
   x = 24,778,065,510.25/66,683
6. Step 6: Final answer
   x = 371,579.95