Finding the Third Proportional to 1,207,630 and 2,559,236

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,630 : 2,559,236 = 2,559,236 : x
2. Step 2: Convert to fraction form
   1,207,630/2,559,236 = 2,559,236/x
3. Step 3: Cross multiply
   1,207,630x = 2,559,236 × 2,559,236
4. Step 4: Simplify right side
   1,207,630x = 6,549,688,903,696
5. Step 5: Solve for x
   x = 6,549,688,903,696/1,207,630
6. Step 6: Final answer
   x = 5,423,589.10