Finding the Third Proportional to 64,949,188 and 142,754,696

Step by Step Solution

1. Step 1: Write the proportion equation
   64,949,188 : 142,754,696 = 142,754,696 : x
2. Step 2: Convert to fraction form
   64,949,188/142,754,696 = 142,754,696/x
3. Step 3: Cross multiply
   64,949,188x = 142,754,696 × 142,754,696
4. Step 4: Simplify right side
   64,949,188x = 20,378,903,230,052,416
5. Step 5: Solve for x
   x = 20,378,903,230,052,416/64,949,188
6. Step 6: Final answer
   x = 313,766,866.96