Finding the Third Proportional to 98,817,618 and 214,646,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,817,618 : 214,646,131.50 = 214,646,131.50 : x
2. Step 2: Convert to fraction form
   98,817,618/214,646,131.50 = 214,646,131.50/x
3. Step 3: Cross multiply
   98,817,618x = 214,646,131.50 × 214,646,131.50
4. Step 4: Simplify right side
   98,817,618x = 46,072,961,767,915,296
5. Step 5: Solve for x
   x = 46,072,961,767,915,296/98,817,618
6. Step 6: Final answer
   x = 466,242,383.70