Finding the Third Proportional to 78,305,916 and 117,404,532

Step by Step Solution

1. Step 1: Write the proportion equation
   78,305,916 : 117,404,532 = 117,404,532 : x
2. Step 2: Convert to fraction form
   78,305,916/117,404,532 = 117,404,532/x
3. Step 3: Cross multiply
   78,305,916x = 117,404,532 × 117,404,532
4. Step 4: Simplify right side
   78,305,916x = 13,783,824,134,139,024
5. Step 5: Solve for x
   x = 13,783,824,134,139,024/78,305,916
6. Step 6: Final answer
   x = 176,025,322.71