Finding the Third Proportional to 137,621 and 193,801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   137,621 : 193,801.50 = 193,801.50 : x
2. Step 2: Convert to fraction form
   137,621/193,801.50 = 193,801.50/x
3. Step 3: Cross multiply
   137,621x = 193,801.50 × 193,801.50
4. Step 4: Simplify right side
   137,621x = 37,559,021,402.25
5. Step 5: Solve for x
   x = 37,559,021,402.25/137,621
6. Step 6: Final answer
   x = 272,916.35