Finding the Third Proportional to 12,656,263.50 and 17,920,291.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,656,263.50 : 17,920,291.50 = 17,920,291.50 : x
2. Step 2: Convert to fraction form
   12,656,263.50/17,920,291.50 = 17,920,291.50/x
3. Step 3: Cross multiply
   12,656,263.50x = 17,920,291.50 × 17,920,291.50
4. Step 4: Simplify right side
   12,656,263.50x = 321,136,847,444,972.25
5. Step 5: Solve for x
   x = 321,136,847,444,972.25/12,656,263.50
6. Step 6: Final answer
   x = 25,373,748.54