Finding the Third Proportional to 69,151,225.50 and 148,106,407.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,151,225.50 : 148,106,407.50 = 148,106,407.50 : x
2. Step 2: Convert to fraction form
   69,151,225.50/148,106,407.50 = 148,106,407.50/x
3. Step 3: Cross multiply
   69,151,225.50x = 148,106,407.50 × 148,106,407.50
4. Step 4: Simplify right side
   69,151,225.50x = 21,935,507,942,556,056
5. Step 5: Solve for x
   x = 21,935,507,942,556,056/69,151,225.50
6. Step 6: Final answer
   x = 317,210,689.82