Finding the Third Proportional to 67,820,352 and 142,845,168

Step by Step Solution

1. Step 1: Write the proportion equation
   67,820,352 : 142,845,168 = 142,845,168 : x
2. Step 2: Convert to fraction form
   67,820,352/142,845,168 = 142,845,168/x
3. Step 3: Cross multiply
   67,820,352x = 142,845,168 × 142,845,168
4. Step 4: Simplify right side
   67,820,352x = 20,404,742,020,948,224
5. Step 5: Solve for x
   x = 20,404,742,020,948,224/67,820,352
6. Step 6: Final answer
   x = 300,864,584.44