Finding the Third Proportional to 86,902,575 and 188,751,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,902,575 : 188,751,931.50 = 188,751,931.50 : x
2. Step 2: Convert to fraction form
   86,902,575/188,751,931.50 = 188,751,931.50/x
3. Step 3: Cross multiply
   86,902,575x = 188,751,931.50 × 188,751,931.50
4. Step 4: Simplify right side
   86,902,575x = 35,627,291,644,980,692
5. Step 5: Solve for x
   x = 35,627,291,644,980,692/86,902,575
6. Step 6: Final answer
   x = 409,968,193.06