Finding the Third Proportional to 77,097,340 and 105,721,310

Step by Step Solution

1. Step 1: Write the proportion equation
   77,097,340 : 105,721,310 = 105,721,310 : x
2. Step 2: Convert to fraction form
   77,097,340/105,721,310 = 105,721,310/x
3. Step 3: Cross multiply
   77,097,340x = 105,721,310 × 105,721,310
4. Step 4: Simplify right side
   77,097,340x = 11,176,995,388,116,100
5. Step 5: Solve for x
   x = 11,176,995,388,116,100/77,097,340
6. Step 6: Final answer
   x = 144,972,516.41