Finding the Third Proportional to 137,322 and 207,920.25

Step by Step Solution

1. Step 1: Write the proportion equation
   137,322 : 207,920.25 = 207,920.25 : x
2. Step 2: Convert to fraction form
   137,322/207,920.25 = 207,920.25/x
3. Step 3: Cross multiply
   137,322x = 207,920.25 × 207,920.25
4. Step 4: Simplify right side
   137,322x = 43,230,830,360.06
5. Step 5: Solve for x
   x = 43,230,830,360.06/137,322
6. Step 6: Final answer
   x = 314,813.58