Finding the Third Proportional to 98,076,064.50 and 208,107,009

Step by Step Solution

1. Step 1: Write the proportion equation
   98,076,064.50 : 208,107,009 = 208,107,009 : x
2. Step 2: Convert to fraction form
   98,076,064.50/208,107,009 = 208,107,009/x
3. Step 3: Cross multiply
   98,076,064.50x = 208,107,009 × 208,107,009
4. Step 4: Simplify right side
   98,076,064.50x = 43,308,527,194,926,080
5. Step 5: Solve for x
   x = 43,308,527,194,926,080/98,076,064.50
6. Step 6: Final answer
   x = 441,581,005.68