Finding the Third Proportional to 12,209,385 and 25,423,506

Step by Step Solution

1. Step 1: Write the proportion equation
   12,209,385 : 25,423,506 = 25,423,506 : x
2. Step 2: Convert to fraction form
   12,209,385/25,423,506 = 25,423,506/x
3. Step 3: Cross multiply
   12,209,385x = 25,423,506 × 25,423,506
4. Step 4: Simplify right side
   12,209,385x = 646,354,657,332,036
5. Step 5: Solve for x
   x = 646,354,657,332,036/12,209,385
6. Step 6: Final answer
   x = 52,939,165.84