Finding the Third Proportional to 35,629,430 and 78,068,428

Step by Step Solution

1. Step 1: Write the proportion equation
   35,629,430 : 78,068,428 = 78,068,428 : x
2. Step 2: Convert to fraction form
   35,629,430/78,068,428 = 78,068,428/x
3. Step 3: Cross multiply
   35,629,430x = 78,068,428 × 78,068,428
4. Step 4: Simplify right side
   35,629,430x = 6,094,679,450,391,184
5. Step 5: Solve for x
   x = 6,094,679,450,391,184/35,629,430
6. Step 6: Final answer
   x = 171,057,450.27