Finding the Third Proportional to 12,139,339.50 and 26,000,370

Step by Step Solution

1. Step 1: Write the proportion equation
   12,139,339.50 : 26,000,370 = 26,000,370 : x
2. Step 2: Convert to fraction form
   12,139,339.50/26,000,370 = 26,000,370/x
3. Step 3: Cross multiply
   12,139,339.50x = 26,000,370 × 26,000,370
4. Step 4: Simplify right side
   12,139,339.50x = 676,019,240,136,900
5. Step 5: Solve for x
   x = 676,019,240,136,900/12,139,339.50
6. Step 6: Final answer
   x = 55,688,304.96