Finding the Third Proportional to 38,402,456 and 83,978,196

Step by Step Solution

1. Step 1: Write the proportion equation
   38,402,456 : 83,978,196 = 83,978,196 : x
2. Step 2: Convert to fraction form
   38,402,456/83,978,196 = 83,978,196/x
3. Step 3: Cross multiply
   38,402,456x = 83,978,196 × 83,978,196
4. Step 4: Simplify right side
   38,402,456x = 7,052,337,403,414,416
5. Step 5: Solve for x
   x = 7,052,337,403,414,416/38,402,456
6. Step 6: Final answer
   x = 183,642,874.39