Finding the Third Proportional to 8,411,215.25 and 12,602,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,411,215.25 : 12,602,780.50 = 12,602,780.50 : x
2. Step 2: Convert to fraction form
   8,411,215.25/12,602,780.50 = 12,602,780.50/x
3. Step 3: Cross multiply
   8,411,215.25x = 12,602,780.50 × 12,602,780.50
4. Step 4: Simplify right side
   8,411,215.25x = 158,830,076,331,180.25
5. Step 5: Solve for x
   x = 158,830,076,331,180.25/8,411,215.25
6. Step 6: Final answer
   x = 18,883,130.63