Finding the Third Proportional to 705,471 and 1,064,572.50

Step by Step Solution

1. Step 1: Write the proportion equation
   705,471 : 1,064,572.50 = 1,064,572.50 : x
2. Step 2: Convert to fraction form
   705,471/1,064,572.50 = 1,064,572.50/x
3. Step 3: Cross multiply
   705,471x = 1,064,572.50 × 1,064,572.50
4. Step 4: Simplify right side
   705,471x = 1,133,314,607,756.25
5. Step 5: Solve for x
   x = 1,133,314,607,756.25/705,471
6. Step 6: Final answer
   x = 1,606,465.20