Finding the Third Proportional to 715,406 and 1,516,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   715,406 : 1,516,105.50 = 1,516,105.50 : x
2. Step 2: Convert to fraction form
   715,406/1,516,105.50 = 1,516,105.50/x
3. Step 3: Cross multiply
   715,406x = 1,516,105.50 × 1,516,105.50
4. Step 4: Simplify right side
   715,406x = 2,298,575,887,130.25
5. Step 5: Solve for x
   x = 2,298,575,887,130.25/715,406
6. Step 6: Final answer
   x = 3,212,967.02