Finding the Third Proportional to 526,392 and 786,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   526,392 : 786,079.50 = 786,079.50 : x
2. Step 2: Convert to fraction form
   526,392/786,079.50 = 786,079.50/x
3. Step 3: Cross multiply
   526,392x = 786,079.50 × 786,079.50
4. Step 4: Simplify right side
   526,392x = 617,920,980,320.25
5. Step 5: Solve for x
   x = 617,920,980,320.25/526,392
6. Step 6: Final answer
   x = 1,173,879.88