Finding the Third Proportional to 488,308.50 and 746,536.50

Step by Step Solution

1. Step 1: Write the proportion equation
   488,308.50 : 746,536.50 = 746,536.50 : x
2. Step 2: Convert to fraction form
   488,308.50/746,536.50 = 746,536.50/x
3. Step 3: Cross multiply
   488,308.50x = 746,536.50 × 746,536.50
4. Step 4: Simplify right side
   488,308.50x = 557,316,745,832.25
5. Step 5: Solve for x
   x = 557,316,745,832.25/488,308.50
6. Step 6: Final answer
   x = 1,141,321.00