Finding the Third Proportional to 73,788,948 and 161,478,468.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,788,948 : 161,478,468.50 = 161,478,468.50 : x
2. Step 2: Convert to fraction form
   73,788,948/161,478,468.50 = 161,478,468.50/x
3. Step 3: Cross multiply
   73,788,948x = 161,478,468.50 × 161,478,468.50
4. Step 4: Simplify right side
   73,788,948x = 26,075,295,789,105,492
5. Step 5: Solve for x
   x = 26,075,295,789,105,492/73,788,948
6. Step 6: Final answer
   x = 353,376,711.50