Finding the Third Proportional to 35,888,298 and 78,724,632

Step by Step Solution

1. Step 1: Write the proportion equation
   35,888,298 : 78,724,632 = 78,724,632 : x
2. Step 2: Convert to fraction form
   35,888,298/78,724,632 = 78,724,632/x
3. Step 3: Cross multiply
   35,888,298x = 78,724,632 × 78,724,632
4. Step 4: Simplify right side
   35,888,298x = 6,197,567,683,535,424
5. Step 5: Solve for x
   x = 6,197,567,683,535,424/35,888,298
6. Step 6: Final answer
   x = 172,690,487.68