Finding the Third Proportional to 49,316,772 and 78,541,398

Step by Step Solution

1. Step 1: Write the proportion equation
   49,316,772 : 78,541,398 = 78,541,398 : x
2. Step 2: Convert to fraction form
   49,316,772/78,541,398 = 78,541,398/x
3. Step 3: Cross multiply
   49,316,772x = 78,541,398 × 78,541,398
4. Step 4: Simplify right side
   49,316,772x = 6,168,751,199,794,404
5. Step 5: Solve for x
   x = 6,168,751,199,794,404/49,316,772
6. Step 6: Final answer
   x = 125,084,245.17