Finding the Third Proportional to 715,473 and 1,516,212

Step by Step Solution

1. Step 1: Write the proportion equation
   715,473 : 1,516,212 = 1,516,212 : x
2. Step 2: Convert to fraction form
   715,473/1,516,212 = 1,516,212/x
3. Step 3: Cross multiply
   715,473x = 1,516,212 × 1,516,212
4. Step 4: Simplify right side
   715,473x = 2,298,898,828,944
5. Step 5: Solve for x
   x = 2,298,898,828,944/715,473
6. Step 6: Final answer
   x = 3,213,117.52