Finding the Third Proportional to 8,507,748 and 13,076,959.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,507,748 : 13,076,959.50 = 13,076,959.50 : x
2. Step 2: Convert to fraction form
   8,507,748/13,076,959.50 = 13,076,959.50/x
3. Step 3: Cross multiply
   8,507,748x = 13,076,959.50 × 13,076,959.50
4. Step 4: Simplify right side
   8,507,748x = 171,006,869,764,640.25
5. Step 5: Solve for x
   x = 171,006,869,764,640.25/8,507,748
6. Step 6: Final answer
   x = 20,100,133.40