Finding the Third Proportional to 83,637,900 and 181,173,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,637,900 : 181,173,820.50 = 181,173,820.50 : x
2. Step 2: Convert to fraction form
   83,637,900/181,173,820.50 = 181,173,820.50/x
3. Step 3: Cross multiply
   83,637,900x = 181,173,820.50 × 181,173,820.50
4. Step 4: Simplify right side
   83,637,900x = 32,823,953,234,566,220
5. Step 5: Solve for x
   x = 32,823,953,234,566,220/83,637,900
6. Step 6: Final answer
   x = 392,453,101.22