Finding the Third Proportional to 131,374 and 272,090

Step by Step Solution

1. Step 1: Write the proportion equation
   131,374 : 272,090 = 272,090 : x
2. Step 2: Convert to fraction form
   131,374/272,090 = 272,090/x
3. Step 3: Cross multiply
   131,374x = 272,090 × 272,090
4. Step 4: Simplify right side
   131,374x = 74,032,968,100
5. Step 5: Solve for x
   x = 74,032,968,100/131,374
6. Step 6: Final answer
   x = 563,528.31