Finding the Third Proportional to 722,188 and 1,564,904

Step by Step Solution

1. Step 1: Write the proportion equation
   722,188 : 1,564,904 = 1,564,904 : x
2. Step 2: Convert to fraction form
   722,188/1,564,904 = 1,564,904/x
3. Step 3: Cross multiply
   722,188x = 1,564,904 × 1,564,904
4. Step 4: Simplify right side
   722,188x = 2,448,924,529,216
5. Step 5: Solve for x
   x = 2,448,924,529,216/722,188
6. Step 6: Final answer
   x = 3,390,979.26