Finding the Third Proportional to 61,394 and 90,074

Step by Step Solution

1. Step 1: Write the proportion equation
   61,394 : 90,074 = 90,074 : x
2. Step 2: Convert to fraction form
   61,394/90,074 = 90,074/x
3. Step 3: Cross multiply
   61,394x = 90,074 × 90,074
4. Step 4: Simplify right side
   61,394x = 8,113,325,476
5. Step 5: Solve for x
   x = 8,113,325,476/61,394
6. Step 6: Final answer
   x = 132,151.77