Finding the Third Proportional to 72,188,085.94 and 155,881,705.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,188,085.94 : 155,881,705.50 = 155,881,705.50 : x
2. Step 2: Convert to fraction form
   72,188,085.94/155,881,705.50 = 155,881,705.50/x
3. Step 3: Cross multiply
   72,188,085.94x = 155,881,705.50 × 155,881,705.50
4. Step 4: Simplify right side
   72,188,085.94x = 24,299,106,109,588,732
5. Step 5: Solve for x
   x = 24,299,106,109,588,732/72,188,085.94
6. Step 6: Final answer
   x = 336,608,261.52