Finding the Third Proportional to 38,402,426 and 83,978,140

Step by Step Solution

1. Step 1: Write the proportion equation
   38,402,426 : 83,978,140 = 83,978,140 : x
2. Step 2: Convert to fraction form
   38,402,426/83,978,140 = 83,978,140/x
3. Step 3: Cross multiply
   38,402,426x = 83,978,140 × 83,978,140
4. Step 4: Simplify right side
   38,402,426x = 7,052,327,997,859,600
5. Step 5: Solve for x
   x = 7,052,327,997,859,600/38,402,426
6. Step 6: Final answer
   x = 183,642,772.93