Finding the Third Proportional to 559,642.50 and 1,199,070

Step by Step Solution

1. Step 1: Write the proportion equation
   559,642.50 : 1,199,070 = 1,199,070 : x
2. Step 2: Convert to fraction form
   559,642.50/1,199,070 = 1,199,070/x
3. Step 3: Cross multiply
   559,642.50x = 1,199,070 × 1,199,070
4. Step 4: Simplify right side
   559,642.50x = 1,437,768,864,900
5. Step 5: Solve for x
   x = 1,437,768,864,900/559,642.50
6. Step 6: Final answer
   x = 2,569,084.49