Finding the Third Proportional to 130,407 and 314,806.50

Step by Step Solution

1. Step 1: Write the proportion equation
   130,407 : 314,806.50 = 314,806.50 : x
2. Step 2: Convert to fraction form
   130,407/314,806.50 = 314,806.50/x
3. Step 3: Cross multiply
   130,407x = 314,806.50 × 314,806.50
4. Step 4: Simplify right side
   130,407x = 99,103,132,442.25
5. Step 5: Solve for x
   x = 99,103,132,442.25/130,407
6. Step 6: Final answer
   x = 759,952.55