Finding the Third Proportional to 715,432 and 1,516,157

Step by Step Solution

1. Step 1: Write the proportion equation
   715,432 : 1,516,157 = 1,516,157 : x
2. Step 2: Convert to fraction form
   715,432/1,516,157 = 1,516,157/x
3. Step 3: Cross multiply
   715,432x = 1,516,157 × 1,516,157
4. Step 4: Simplify right side
   715,432x = 2,298,732,048,649
5. Step 5: Solve for x
   x = 2,298,732,048,649/715,432
6. Step 6: Final answer
   x = 3,213,068.54