Finding the Third Proportional to 98,139 and 130,504.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,139 : 130,504.50 = 130,504.50 : x
2. Step 2: Convert to fraction form
   98,139/130,504.50 = 130,504.50/x
3. Step 3: Cross multiply
   98,139x = 130,504.50 × 130,504.50
4. Step 4: Simplify right side
   98,139x = 17,031,424,520.25
5. Step 5: Solve for x
   x = 17,031,424,520.25/98,139
6. Step 6: Final answer
   x = 173,543.90